Sprockets

  • Sprockets for top chain

List of Model Numbers

Search for applicable sprockets for the chain model number .

Sprocket model No.


※ Click the model No. for detailed information. Click to enlarge.

For plastic modular chain

Applicable Series
(Click here for a list
of all series.)
Applicable chain number
WT0405-W  WT0405-W

Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Plain bore Diameter
mm
Type
WT-S0400-16T 16 23.07 Bore shape
and size
are
made-to-order.
Φ8 Integrated type
WT-S0400-20T 20 28.77
WT-S0400-24T 24 34.48
WT-S0400-32T 32 45.91
WT-S0400-40T 40 57.35

The sprocket has no heat resistance or chemical resistance.
Contact a Tsubaki representative when using in special environments or usage conditions.

WT0700  WT0705-W, WT0705-M




Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-N0700-15T18 15 36.07 Φ18 Integrated type
WT-N0700-24T■ 24 57.46 Φ20, Φ25, Φ30
WT-N0700-32T40S 32 76.52 □40
WT-N0700-48T■ 48 114.67 Φ30, □40, Φ50
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-N0700-24T20 24 57.46 Φ20 一体形
WT-N0700-24T25 Φ25
WT-N0700-24T30 Φ30
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-N0700-48T30 48 114.67 Φ30 一体形
WT-N0700-48T40S □40
WT-N0700-48T50WK Φ50
WT1500・WT3000  WT1505-K, WT1505G-K, WT1505G-M, WT1505GTO-K, WT1505GTO-M, WT1506-K, WT1515-W, WT1515F-W, WT1516F-W, WT1515VG-W, WT1515G-W, WT1515G-M, WT1516-W, BTN5, BTN5-A, WT3005-K, WT3005G-K, WT3005G-M, WT3086-K, WT3086G-K, WT3086G-M





Split Sprockets(SW1500)
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-SW1500-24T■ 24 114.9 Φ25, Φ30, Φ35, Φ40, □40 Split
WT-SW1500-32T■ 32 153.0 □40, □50, □60
WT-SW1500-33T■ 33 157.8 □40, □65
×
( Drag to move. )
■SW1500 Split Sprockets
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW1500-24T25 24 114.9 Φ25 分割形
WT-SW1500-24T30 Φ30
WT-SW1500-24T35 Φ35
WT-SW1500-24T40 Φ40
WT-SW1500-24T40S □40
×
( Drag to move. )
■SW1500 Split Sprockets
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW1500-32T40S 32 153.0 □40 分割形
WT-SW1500-32T50S □50
WT-SW1500-32T60S □60
×
( Drag to move. )
■SW1500 Split Sprockets
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW1500-33T40S 33 157.8 □40 分割形
WT-SW1500-32T65S □65
Solid Sprockets(S1500)
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Plain bore Diameter
mm
Type
WT-S1500-24T 24 114.9 Bore shape
and size
are
made-to-order.
Φ20 Integrated type
WT-S1500-25T 25 119.7
WT-S1500-27T 27 129.2
WT-S1500-31T 31 148.3
WT-S1500-32T 32 153.0
WT-S1500-33T 33 157.8
WT1500  WT1505-K, WT1505G-K, WT1505G-M, WT1505GTO-K, WT1505GTO-M, WT1506-K, WT1515-W, WT1515F-W, WT1516F-W, WT1515VG-W, WT1515G-W, WT1515G-M, WT1516-W, BTN5, BTN5-A


N1500 Solid Sprockets (Molded)
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-N1500-12T30 12 57.96 Φ30 Integrated type
WT-N1500-18T40S 18 86.38 □40 Integrated type
BT6  BTC6, BTCP6, BTC6-T, BTO6, BTN6


Model No. Chain types
for KV150 and KV250
Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
BT6-10T-38H BT6-KV-10T-38H 10 61.65 Hexagonal, width across flat 38 Integrated type
BT6-24T-■ BT6-KV-24T-50S 24 145.95 □40, □50, □65
×
( Drag to move. )
Model No.Chain types
for KV150 and KV250
Number of teethPitch Diameter
mm
Bore diameter
mm
Type
BT6-24T-40S --- 24 145.95 □40 一体形
BT6-24T-50S BT6-KV-24T-50S □50
BT6-24T-65S --- □65
WT1907  WT1907-K


Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-S1900-17T 17 104.6 Bore shape
and size
are
made-to-order.
Integrated type
WT-S1900-21T 21 129.0
WT-S1900-24T 24 147.3
WT-S1900-25T 25 153.4
WT-SW1900-25T■ 25 153.35 Φ40, Φ60 Split
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW1900-25T40S 25 153.35 Φ40 分割形
WT-SW1900-25T60S Φ60
BT8  BTC8, BTC8-A



Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
BT8-12T-25 12 98.14 Φ25.1 Integrated type
BT8-18T-■ 18 146.27 Φ25.1, □40, □50, □65
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
BT8-18T-25 18 146.27 Φ25.1 一体形
BT8-18T-40S □40
BT8-18T-50S □50
BT8-18T-65S □65
WT2250・WT2515  WT2515G-M, WT2515-W, WT2515G-W, WT2250FT, WT2250FG, WT2250VG, WT2515F-W, WT2250FT with Flights, WT2250FG with Flights





Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-SW2250-16T■ 16 130.20 Φ30, Φ40, □40 Split
WT-SW2510-18T■ 18 146.27 Φ30, Φ40, □40
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW2250-16T30 16 130.20 Φ30 分割形
WT-SW2250-16T40 Φ40
WT-SW2250-16T40S □40
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW2510-18T30 18 146.27 Φ30 分割形
WT-SW2510-18T40 Φ40
WT-SW2510-18T40S □40
WT2500  WT2505-K, WT2505-M, WT2505G-M, WT2506-K, WTM2535G-M325, BTM8H, BTM8H-M, BTC8H-M, TTUPS-H, TTUPM838H



Split Sprockets(SW2500)
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-SW2500-16T■ 16 130.20 Φ25, Φ30, Φ35, Φ40 Split
WT-SW2500-18T■ 18 146.27 Φ25, Φ30, Φ35, Φ40
WT-SW2500-21T■ 21 170.40 Φ25, Φ30, Φ35, Φ40
×
( Drag to move. )
■分割形スプロケット(SW2500)
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW2500-16T25 16 130.20 Φ25 分割形
WT-SW2500-16T30 Φ30
WT-SW2500-16T35 Φ35
WT-SW2500-16T40 Φ40
×
( Drag to move. )
■分割形スプロケット(SW2500)
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW2500-18T25 18 146.27 Φ25 分割形
WT-SW2500-18T30 Φ30
WT-SW2500-18T35 Φ35
WT-SW2500-18T40 Φ40
×
( Drag to move. )
■分割形スプロケット(SW2500)
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW2500-21T25 21 170.40 Φ25 分割形
WT-SW2500-21T30 Φ30
WT-SW2500-21T35 Φ35
WT-SW2500-21T40 Φ40
Solid Sprockets(S2500)
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-S2500-16T 16 130.20 Bore shape and size are
made-to-order.
Integrated type
WT-S2500-18T 18 146.27
WT-S2500-21T 21 170.42
WT2520・BT8S  WT2525-K, BTC8S



Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
BT8S-18T-■ 18 146.27 □40, □60 Integrated type
WT-N2520-18T■ □38.1, □40, □50.8, □60
WT-N2520-22T90S 22 178.48 □90
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
BT8S-18T-40S 18 146.27 □40 一体形
BT8S-18T-60S □60
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-N2520-18T38S 18 146.27 □38.1 一体形
WT-N2520-18T40S □40
WT-N2520-18T51S □50.8
WT-N2520-18T60S □60
WT2700  WT2705-K, WT2706-K







Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-N2700-9T■ 9 79.53 Φ25, □40 Integrated type
WT-N2700-12T■ 12 105.09 Φ30, Φ40, □40
WT-N2700-18T■ 18 156.64 □40, □60, □65
WT-N2700-20T■ 20 173.90 □40, □60 Split
WT-N2700-28T■ 28 242.93 □40, □60
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-N2700-9T25 9 79.53 Φ25 一体形
WT-N2700-9T40S □40
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-N2700-12T30 12 105.09 Φ30 一体形
WT-N2700-12T40 Φ40
WT-N2700-12T40S □40
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-N2700-18T40S 18 156.64 □40 一体形
WT-N2700-18T60S □60
WT-N2700-18T65S □65
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW2700-20T40S 20 173.90 □40 分割形
WT-SW2700-20T60S □60
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-SW2700-28T40S 28 242.93 □40 分割形
WT-SW2700-28T60S □60
WT3010  WTU3015T-K, WTU3015T-K-SUSP


Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WTU-SW3010-14T■ 14 134.82 Φ30, Φ40, □40.3 Split
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WTU-SW3010-14T30 14 134.82 Φ30 分割形
WTU-SW3010-14T40 Φ40
WTU-SW3010-14T40S □40.3
WT3100  WT3109-W



Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-N3100-16T■ 16 162.75 □40, □60, Φ60 Integrated type
WT-N3100-18T■ 18 182.84 □40, □60
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-N3100-16T40S 16 162.75 □40 一体形
WT-N3100-16T60S □60
WT-N3100-16T60 Φ60
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
WT-N3100-18T40S 18 182.84 □40 一体形
WT-N3100-18T60S □60
WT3816  WT3816-K

Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-S3816-18T 18 218.8 Bore shape
and size
are
made-to-order.
Integrated type
WT-S3816-20T 20 242.9
WT-S3816-24T 24 291.1
WT3827  WT3827-K

Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-S3820-8T 8 99.6 Bore shape
and size
are
made-to-order.
Integrated type
WT-S3820-12T 12 147.2
WT3835  WT3835-K, WT3835-T


Engineering Plastic Machined Components
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-S3830-1200T 24 12 147.2 Bore shape
and size
are
made-to-order.
Integrated type
WT-S3830-1212T 25 12½ 153.2
Engineering Plastic Molded Components
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TTP-21■ 21 10½ 129.26 Φ25, Φ30, Φ35, Φ40, Φ45 Split
TTP-23■ 23 11½ 141.22 Φ25, Φ30, Φ35, Φ40, Φ45
TTP-25■ 25 12½ 153.20 Φ25, Φ30, Φ35, Φ40, Φ45, Φ50
×
( Drag to move. )
■Engineering Plastic Molded Components
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TTP-21T25 21 10½ 129.26 Φ25 Split
TTP-21T30 Φ30
TTP-21T35 Φ35
TTP-21T40 Φ40
TTP-21T45 Φ45
×
( Drag to move. )
■Engineering Plastic Molded Components
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TTP-23T25 23 11½ 141.22 Φ25 Split
TTP-23T30 Φ30
TTP-23T35 Φ35
TTP-23T40 Φ40
TTP-23T45 Φ45
×
( Drag to move. )
■Engineering Plastic Molded Components
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TTP-25T25 25 12½ 153.20 Φ25 Split
TTP-25T30 Φ30
TTP-25T35 Φ35
TTP-25T40 Φ40
TTP-25T45 Φ45
TTP-25T50 Φ50
WT5707  WT5707-K

Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
WT-S5707-9T 9 167.0 Bore shape
and size
are
made-to-order.
Integrated type
WT-S5707-12T 12 220.8
WT-S5707-14T 14 256.8
BTC4-M  BTC4-M


Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
BTC4-10T18 10 41.1 Φ18 Integrated type
BTC4-24T30 24 97.3 Φ30
BTC(M)8H-M  WTM2535G-M325, BTC8H-M, BTM8H-M, TTUPS-H





Units with pre-machined shaft bores and keyway
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
BT8H-12T■-CS 12 98.14 Φ25, Φ30 Integrated type
BT8H-16T30-CS 16 130.20 Φ30
×
( Drag to move. )
■Units with pre-machined shaft bores and keyway
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
BT8H-12T25-CS 12 98.14 Φ25 一体形
BT8H-12T30-CS Φ30
With plain bore
Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Type
BT8H-12T-CS 12 98.14 Φ15 Integrated type
BT8H-16T-CS 16 130.20
BT08-M  BTO8-M


Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
BTO8-12T■ 12 98.14 Φ25, Φ30 Integrated type
BTO8-18T■ 18 146.27 Φ30, Φ40
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
BTO8-12T25 12 98.14 Φ25 一体形
BTO8-12T30 Φ30
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
BTO8-18T30 18 146.27 Φ30 一体形
BTO8-18T40 Φ40
WT3085-C  WT3085-C

Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Type
WT-S3085C3-27T 27 13½ 129.7 Φ15 Integrated type
WT-S3085C3-31T 31 15½ 148.5

For plastic top chain

Applicable Series
(Click here for a list
of all series.)
Applicable chain number
TTP  TTP, TTP-P, TTPH, TTPH-P, TTPT



Sprockets (with Plain Bore) 
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter mm Type
TTP912T 19 117.34 Φ18 Φ40 Integrated type
TTP1012T 21 10½ 129.26
TTP1112T 23 11½ 141.22
TTP1212T 25 12½ 153.20
Lock Sprockets
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TTP912T-S□□□□ 19 117.34 Φ15~Φ45 Integrated type
TTP1012T-S□□□□ 21 10½ 129.26
TTP1112T-S□□□□ 23 11½ 141.22
TTP1212T-S□□□□ 25 12½ 153.20
Engineering Plastic Sprockets
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12■■■NT-SPR 21 10½ 129.26 Φ25, Φ30, Φ35, Φ40 Split
TP-C12■■■NT-SPR 23 11½ 141.22 Φ25, Φ30, Φ35, Φ40
TP-C12■■■NT-SPR 25 12½ 153.20 Φ25, Φ30, Φ35, Φ40
×
( Drag to move. )
■Engineering plastic sprockets (OEM supplied)
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12057NT-SPR 21 10½ 129.26 Φ25 Split
TP-C12058NT-SPR Φ30
TP-C12059NT-SPR Φ35
TP-C12060NT-SPR Φ40
×
( Drag to move. )
■Engineering plastic sprockets (OEM supplied)
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12104NT-SPR 23 11½ 141.22 Φ25 Split
TP-C12105NT-SPR Φ30
TP-C12106NT-SPR Φ35
TP-C12107NT-SPR Φ40
×
( Drag to move. )
■Engineering plastic sprockets (OEM supplied)
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12069NT-SPR 25 12½ 153.20 Φ25 Split
TP-C12070NT-SPR Φ30
TP-C12071NT-SPR Φ35
TP-C12072NT-SPR Φ40
TTPDH  TTPDH

Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12295T-SPR 25 12½ 153.21 Φ40 Split
TTPM  TTPM

Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TTPM1200T 12 73.6 Φ15 Φ35 Integrated type
TTPM1400T 14 85.6 Φ40
TTPM1500T 15 91.6
TTPM1900T 19 115.7 Φ50
TTPM2100T 21 127.8
TTPM2300T 23 139.9
TPF  TPF


Sprockets (with Plain Bore) 
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TPF912T 19 117.34 Φ18 Φ42 Integrated type
TPF1012T 21 10½ 129.26
TPF1112T 23 11½ 141.22
TPF1212T 25 12½ 153.20
Lock Sprockets
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TPF912T-S□□□□ 19 117.34 Φ15~Φ35 Integrated type
TPF1012T-S□□□□ 21 10½ 129.26
TPF1112T-S□□□□ 23 11½ 141.22
TPF1212T-S□□□□ 25 12½ 153.20
TP-OTD  TP-OTD

Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TP-OTD1012T 21 10½ 129.2 Φ20 Φ40 Integrated type
TP-OTD1112T 23 11½ 141.2
TPSS  TPSS, TTUPS, TPUS953Y-T-LAP

Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TPSS900T 9 114.4 Φ20 Φ35 Integrated type
TPSS1000T 10 123.3 Φ40
TPSS1100T 11 135.2
TPSS1200T 12 147.2
TPSS1300T 13 159.2
TPSS1400T 14 171.2
TPSS1500T 15 183.3
TTUP  TPS, TPS-P, TPH, TPH-P, TTUP, TTUP-P, TTUPH, TTUP-M, TTUPT-M, TPU, TPU-P, TPU-LH, TPUT-LH, TPUH-BO (TPM, TPUM)


Sprockets (with Plain Bore) 
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TTUP900T - 9 111.40 Φ18 Φ47 Integrated type
TTUP912T 19 117.34
TTUP1000T - 10 123.29
TTUP1012T 21 10½ 129.26
TTUP1100T - 11 135.23
TTUP1112T 23 11½ 141.22
TTUP1200T - 12 147.21
TTUP1212T 25 12½ 153.20
TTUP1300T - 13 159.20
Lock Sprockets
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TTUP900T-S□□□□ - 9 111.40 Φ15~Φ45 Integrated type
TTUP912T-S□□□□ 19 117.34
TTUP1000T-S□□□□ - 10 123.29
TTUP1012T-S□□□□ 21 10½ 129.26
TTUP1100T-S□□□□ - 11 135.23
TTUP1112T-S□□□□ 23 11½ 141.22
TTUP1200T-S□□□□ - 12 147.21
TTUP1212T-S□□□□ 25 12½ 153.20
TTUP1300T-S□□□□ - 13 159.20
TTUP  TPS, TPS-P, TPH, TPH-P, TTUP, TTUP-P, TTUPH, TTUP-M, TTUPT-M, TTUP-LLPC, TPU, TPU-P, TP-880TAB, TPU-LH, TPUT-LH, TPU-USR, TPUH-BO

Engineering Plastic Sprockets
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12■T-SPR 12 146.8 Φ25, Φ30, Φ35, Φ40 Split
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
TP-C12400T-SPR 12 146.8 Φ25 Split
TP-C12711T-SPR Φ30
TP-C12401T-SPR Φ35
TP-C12402T-SPR Φ40
TTUPM  TTUPM-P

Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter mm Type
TTUPM1100T 11 45.1 Φ8 Φ20 Integrated type
TTUPM1300T 13 53.1 Φ25
TTUPM1500T 15 61.1 Φ30
TPUS  TPUS, TPUS953Y-T-LAP

Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TTP-C1211■T-SPR 12 147.2 Φ30, Φ40 Split
×
( Drag to move. )
Model No.Number of teethPitch Diameter
mm
Bore diameter
mm
Type
TP-C12115T-SPR 12 147.2 Φ30 Split
TP-C12117T-SPR Φ40
TPUH-BO  TPUH-BO

Model No. Number of teeth Outer Diameter Bore diameter
mm
Type
TP-C12781LT-SPR 32 352 Φ25 Integrated type
TPUSR  TPUSR550-T, TPUSR826-T


Sprockets (with Plain Bore) 
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TPUSR1500T 15 152.71 Φ20~Φ45 Φ15.9 Φ45 Integrated type
TPUSR1500T-SS
Lock Sprockets
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TPUSR1500T-S□□□□ 15 152.71 Φ15~Φ35 Integrated type
TP-UB36  TP-UB36

Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TP-UB1100T 11 127.8 Φ20 Φ40 Integrated type
TP-UB1200T 12 139.1
TP-UB1300T 13 150.4
TPUN  TPUN555, TPUN550-LH, TPUN535-LH, TP-50UNS, TP-50UNS-D76





Engineering Plastic Sprockets
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C213959T-SPR 8 130.66 Φ30 Integrated type
TP-C213961T-SPR 10 161.8 Φ25
TP-C12721T-SPR
Sprockets (with Plain Bore) 
Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Type
TPUN555-800TQ 8 130.6 Φ16 Integrated type
TPUN555-1000TQ 10 161.8
TPUN555-1200TQ 12 193.2
Lock Sprockets
Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TPUN555-800TQ-S□□□□■ 8 130.6 Φ15~Φ45 Integrated type
TPUN555-1000TQ-S□□□□■ 10 161.8
TPUN555-1200TQ-S□□□□■ 12 193.2
TP-50UN-T95  TP-50UN-T95

Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TP-50UNT-8T 8 130.6 Φ15 Φ40 Integrated type
TP-50UNT-10T 10 161.8 Φ20
TP-50UNT-12T 12 193.2
TPCC420  TPCC420, TPCC420-T

Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Type
TP-C12326T-SPR 8 165.9 Φ20 Integrated type
TP-C12327T-SPR 10 205.5
TP-C12328T-SPR 12 245.3
TO  TORP, TOSP

Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TOS1013T 31 10⅓ 254.59 Φ23 Φ45 Integrated type
TOR1100T 11 11 270.47
TP-36AK  TP-36AK

Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TP-36AK1100T 11 127.7 Φ20 Φ60 Integrated type
TP-36AK1300T 13 150.4
TP-36AK1500T 15 173.1
TP-30UTW-LAP  TP-30UTW-LAP

Model No. Number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-SW30UT-15T30 15 144.3 Φ30 Split
TPRF2040  TPRF2040

Type Material Base Model No. Working number of teeth range
With plain bore steel RF2040S-1B□T 9½~12½
Stainless RF2040S-1B□T-SS 9½~12½
Engineering plastic RF2040S-1B□T-P 9½~12½
Fit bore steel RF2040S-1B□T-H~ 9½~12½
Stainless RF2040S-1B□T-SS-H~ 9½~12½
Lock Sprocket S Type steel RF2040S-1B□T-S○○○○● 9½~12½
TPRF2060  TPRF2060

Type Material Base Model No. Working number of teeth range
With plain bore steel RF2060S-1B□T 9½~12½
Stainless RF2060S-1B□T-SS 9½~12½
Engineering plastic RF2060S-1B□T-P 9½~12½
Fit bore steel RF2060S-1B□T-H~ 9½~12½
Stainless RF2060S-1B□T-SS-H~ 9½~12½
Lock Sprocket S Type steel RF2060S-1B□T-S○○○○● 9½~12½
Made-to-order product.  BTH16, TPM-SN, TPM-P-SN

※Contact a Tsubaki representative for further information on this sprocket.

For plastic Block Chain

Applicable Series
(Click here for a list
of all series.)
Applicable chain number
RSP35  RSP35

Type Material Base Model No.
With plain bore steel RS35-1B□T■
Stainless RS35-1B□T-SS
Engineering plastic RS35-1B□T-P
Fit bore steel RS35-1B□TQ-H~
Stainless RS35-1B□T-SS-H~
Lock Sprocket S Type steel RS35-1B□T■-S○○○○●
Lock sprocket N type steel RS35-1B□TQ-N○○○●
Sprockets can be used provided they have at least 14 teeth.
RSP40  RSP40, RSP40P, RSP40-SL, RSP-PO8PF, RSP-PO8PFT, RS40-SC

Type Material Base Model No.
With plain bore steel RS40-1B□T■
Stainless RS40-1B□T-SS
Engineering plastic RS40-1B□T-P
Fit bore steel RS40-1B□TQ-H~
Stainless RS40-1B□T-SS-H~
Lock Sprocket S Type steel RS40-1B□T■-S○○○○●
Lock sprocket N type steel RS40-1B□TQ-N○○○●
Sprockets can be used provided they have at least 14 teeth.
RSP50  RSP50, RS50-SC

Type Material Base Model No.
With plain bore steel RS50-1B□T■
Stainless RS50-1B□T-SS
Engineering plastic RS50-1B□T-P
Fit bore steel RS50-1B□TQ-H~
Stainless RS50-1B□T-SS-H~
Lock Sprocket S Type steel RS50-1B□T■-S○○○○●
Lock sprocket N type steel RS50-1B□TQ-N○○○●
Sprockets can be used provided they have at least 14 teeth.
RSP60  RSP60, RSP60P, RSP-CU, RSP-P-CU, RS60-SC

Type Material Base Model No.
With plain bore steel RS60-1B□T■
Stainless RS60-1B□T-SS
Engineering plastic RS60-1B□T-P
Fit bore steel RS60-1B□TQ-H~
Stainless RS60-1B□T-SS-H~
Lock Sprocket S Type steel RS60-1B□T■-S○○○○●
Lock sprocket N type steel RS60-1B□TQ-N○○○●
Sprockets can be used provided they have at least 14 teeth.
RSP-2  RSP-2, RSP-CU-2


Type Material Base Model No.
With plain bore steel RS60-1B□T■
Stainless RS60-1B□T-SS
Engineering plastic RS60-1B□T-P
上記スプロケットの削り出し仕様、歯数12枚以上がお使いいただけます。 2列スプロケットは使用できません。1列B形を2つ、歯の位相を合わせてお使いください。 スプロケットの間にはディスタンスを入れて幅調整をしてください。
RS80-SC  RS80-SC

Type Material Base Model No.
With plain bore steel RS80-1B□T■
Stainless RS80-1B□T-SS
Fit bore steel RS80-1B□TQ-H~
Stainless RS80-1B□T-SS-H~
Lock Sprocket S Type steel RS80-1B□T■-S○○○○●
Sprockets can be used provided they have at least 13 teeth.
RS100-SC  RS100-SC

Type Material Base Model No.
With plain bore steel RS100-1B□T■
Fit bore steel RS100-1B□TQ-H~
Lock Sprocket S Type steel RS100-1B□T■-S○○○○●
Sprockets can be used provided they have at least 13 teeth.
RF06B-SC  RF06B-SC

Type Material Base Model No.
With plain bore steel RF06B-1B□T■
Fit bore steel RF06B-1B□T■-H~
Sprockets can be used provided they have at least 13 teeth.

For stainless steel top chain

Applicable Series
(Click here for a list
of all series.)
Applicable chain number
TT  TT



Sprockets (with Plain Bore) 
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TT912T 19 117.34 Φ18 Φ40 Integrated type
TT1012T 21 10½ 129.26
TT1112T 23 11½ 141.22
TT1212T 25 12½ 153.20
Lock Sprockets
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TT912T-S□□□□ 19 117.34 Φ15~Φ45 Integrated type
TT1012T-S□□□□ 21 10½ 129.26
TT1112T-S□□□□ 23 11½ 141.22
TT1212T-S□□□□ 25 12½ 153.20
Engineering Plastic Sprockets
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12■■■NT-SPR 21 10½ 129.26 Φ25, Φ30, Φ35, Φ40 Split
TP-C12■■■NT-SPR 23 11½ 141.22 Φ25, Φ30, Φ35, Φ40
TP-C12■■■NT-SPR 25 12½ 153.20 Φ25, Φ30, Φ35, Φ40
×
( Drag to move. )
■Engineering Plastic Sprockets
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12053NT-SPR 21 10½ 129.26 Φ25 Split
TP-C12054NT-SPR Φ30
TP-C12055NT-SPR Φ35
TP-C12056NT-SPR Φ40
×
( Drag to move. )
■Engineering Plastic Sprockets
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12099NT-SPR 23 11½ 141.22 Φ25 Split
TP-C12100NT-SPR Φ30
TP-C12101NT-SPR Φ35
TP-C12102NT-SPR Φ40
×
( Drag to move. )
■Engineering Plastic Sprockets
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12065NT-SPR 25 12½ 153.20 Φ25 Split
TP-C12066NT-SPR Φ30
TP-C12067NT-SPR Φ35
TP-C12068NT-SPR Φ40
TS, TSA  TS, TSA

Type Material Base Model No. Working number of teeth range
With plain bore steel RF2060S-1B□T 9½~12½
Stainless RF2060S-1B□T-SS 9½~12½
Engineering plastic RF2060S-1B□T-P 9½~12½
Fit bore steel RF2060S-1B□T-H~ 9½~12½
Stainless RF2060S-1B□T-SS-H~ 9½~12½
Lock Sprocket S Type steel RF2060S-1B□T-S○○○○● 9½~12½
TTU  TTU



Sprockets (with Plain Bore) 
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TTU1012T 21 10½ 129.26 Φ16 Φ55 Integrated type
TTU1112T 23 11½ 141.22
TTU1212T 25 12½ 153.20
Lock Sprockets
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TTU1012T-S□□□□ 21 10½ 129.26 Φ15~Φ45 Integrated type
TTU1112T-S□□□□ 23 11½ 141.22
TTU1212T-S□□□□ 25 12½ 153.20
Engineering Plastic Sprockets
Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12■■■NT-SPR 21 10½ 129.26 Φ25, Φ30, Φ35, Φ40 Split
TP-C12■■■NT-SPR 23 11½ 141.22 Φ25, Φ30, Φ35, Φ40
TP-C12■■■NT-SPR 25 12½ 153.20 Φ25, Φ30, Φ35, Φ40
×
( Drag to move. )
■Engineering Plastic Sprockets
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12061NT-SPR 21 10½ 129.26 Φ25 Split
TP-C12062NT-SPR Φ30
TP-C12063NT-SPR Φ35
TP-C12064NT-SPR Φ40
×
( Drag to move. )
■Engineering Plastic Sprockets
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12109NT-SPR 23 11½ 141.22 Φ25 Split
TP-C12110NT-SPR Φ30
TP-C12111NT-SPR Φ35
TP-C12112NT-SPR Φ40
×
( Drag to move. )
■Engineering Plastic Sprockets
Model No.Number of teeth Working number of teeth Pitch Diameter
mm
Bore diameter
mm
Type
TP-C12073NT-SPR 25 12½ 153.20 Φ25 Split
TP-C12074NT-SPR Φ30
TP-C12075NT-SPR Φ35
TP-C12076NT-SPR Φ40
TTKU  TTKU

Type Material Base Model No.
With plain bore steel RS60-1B□T■
Stainless RS60-1B□T-SS
Engineering plastic RS60-1B□T-P
Fit bore steel RS60-1B□TQ-H~
Stainless RS60-1B□T-SS-H~
Lock Sprocket S Type steel RS60-1B□T■-S○○○○●
Lock sprocket N type steel RS60-1B□TQ-N○○○●
Sprockets can be used provided they have at least 12 teeth.
TRU  TRU

Type Material Base Model No.
With plain bore steel RS60-1B□T■
Stainless RS60-1B□T-SS
Engineering plastic RS60-1B□T-P
Fit bore steel RS60-1B□TQ-H~
Stainless RS60-1B□T-SS-H~
Lock Sprocket S Type steel RS60-1B□T■-S○○○○●
Lock sprocket N type steel RS60-1B□TQ-N○○○●
Sprockets can be used provided they have at least 19 teeth.
TO  TO

Model No. Number of teeth Working number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TOS1013T 31 10⅓ 254.59 Φ23 Φ45 Integrated type
TOR1100T 11 11 270.47
TU  TU

Model No. Number of teeth Pitch Diameter
mm
Plain bore Diameter
mm
Maximum Shaft Bore Diameter
mm
Type
TU1100T 11 270.47 Φ23 Φ50 Integrated type