Idler wheels

  • Idler wheels for top chain

List of Model Numbers

Search for applicable idler wheels for the chain model number .


※ 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
WT1500・WT3000　 WT1505-K, WT1505G-K, WT1505G-M, WT1505GTO-K, WT1505GTO-M, WT1505TOD-M, WT1506-K, WT1515-W, WT1515G-W, WT1515G-M, WT1516-W, BTN5, BTN5-A, WT3005-K, WT3005G-K, WT3005G-M, WT3086-K, WT3086G-K, WT3086G-M


Model No. Number of teeth Pitch circle dia.
mm		 Bore diameter
mm		 Type
WT-SW1500-24T30-IW 24 114.9 φ30.3 Split
WT-SW1500-24T35-IW φ35.3
WT-SW1500-24T40-IW φ40.3
WT-SW1500-32T30-IW 32 153.0 φ30.3
WT-SW1500-32T35-IW φ35.3
WT-SW1500-32T40-IW φ40.3
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 circle dia.
mm		 Bore diameter
mm		 Type
WT-SW2250-16T30IW-M 16 130.20 φ30 Split
WT-SW2250-16T40IW-M φ40
WT-SW2250-18T30IW-M 18 146.27 φ30
WT-SW2250-18T40IW-M φ40
BTO8-M　 BTO8-M


Model No. Equivalent no. of teeth Outer Diameter
mm		 Shaft Bore Diameter
mm		 Type
BT08-12T25-IW 12 86 25.5 Integrated type
TP-C12200BT-IW 18 129.8 25
TP-C12201BT-IW 30
TP-C12203BT-IW 40
TP-C12077BT-IW 25 Split
TP-C12078BT-IW 30
TP-C12079BT-IW 35
TP-C12080BT-IW 40

For plastic top chain

Applicable Series
(Click here for a list
of all series.)		 Applicable chain number
TTP　 TTP, TTPH, TTPT, TPF, TT, TP-OTD, TPS, TTUP, TTUPH, TTU, TPH, BTC8H-M, BTM8H-M, WT3835G-M


Engineering Plastic?Idler wheels
Model No. Equivalent no. of teeth Outer Diameter
mm		 Shaft Bore Diameter
mm		 Type
TP-C12200BT-IW 21 129.8 25 Integrated type
TP-C12201BT-IW 30
TP-C12203BT-IW 40
TP-C12212BT-IW 23 142.2 25
TP-C12213BT-IW 30
TP-C12215BT-IW 40
TP-C12204BT-IW 25 154.7 25
TP-C12205BT-IW 30
TP-C12207BT-IW 40
TP-C12077BT-IW 21 129.8 25 Split
TP-C12078BT-IW 30
TP-C12079BT-IW 35
TP-C12080BT-IW 40
TP-C121928BT-IW 23 142.2 25
TP-C121929BT-IW 30
TP-C121930BT-IW 35
TP-C121931BT-IW 40
TP-C12081BT-IW 25 154.7 25
TP-C12082BT-IW 30
TP-C12083BT-IW 35
TP-C12084BT-IW 40
TTPDH　 TTPDH

Model No. Equivalent no. of teeth Outer Diameter
mm		 Shaft Bore Diameter
mm		 Type
TP-C121646T-IW 25 155 35 Integrated type
TPS　 TPS, TPH, TTUP, TTUP-LLPC, TTUPH, TPU, TPU-LH, TPUT-LH, TPU-USR, TPUH-BO, TTUP-M, TTUPT-M, TP-880TAB

Model No. Equivalent no. of teeth Outer Diameter
mm		 Shaft Bore Diameter
mm		 Type
TP-C12404T-IW 12 147 30 Split
TPUS　 TPUS, TPUS-LBP, TPUS953Y-T-LAP

Model No. Number of teeth Outer Diameter
mm		 Shaft Bore Diameter
mm		 Type
TP-C12120T-IW 12 149.2 30 Split
TP-C12122T-IW 40
TP-UB36　 TP-UB36

Model No. Equivalent no. of teeth Outer Diameter
mm		 Plain bore Diameter
mm		 Type
TP-IW36UB1100T 11 112 20 Integrated type
TP-IW36UB1200T 12 124
TP-IW36UB1300T 13 136
TPUN　 TPUN555, TPUN550-LH, TPUN535-LH, TP-50UNS, TP-50UNS-D76


Model No. Number of teeth Outer Diameter
mm		 Shaft Bore Diameter
mm		 Type
TP-C12737T-IW 8 136.3 30 Integrated type
TP-C12724T-IW 10 165 25
TP-50UNS　 TP-50UNS

Model No. Equivalent no. of teeth Outer Diameter
mm		 Shaft Bore Diameter
mm		 Type
TP-IW50UNS10-30 10 157 30.5 Split
TP-IW50UNS10-40 40.5
TP-30UTW-LAP　 TP-30UTW-LAP

Model No. Equivalent no. of teeth Outer Diameter
mm		 Plain bore Diameter
mm		 Type
TP-IW30UTW-15T20 15 138 20 Integrated type