Ultra PX belt - oil proof type   Major Specifications

Model No.:UP8M25-HA


[ Click to enlarge ]

Major Specifications

Belt width Unit mass kg/m Initial tension  N {kgf}
Recommended value Maximum value
25 0.117 304 {31.0} 408 {41.6}
Material Rubber High strength synthetic rubber (Oil Proof Type)
Tooth fabric Nylon with superior wear-resistance
Cord High strength glass fiber
Ambient conditions Oil and water resistant Can be used in contact with oil and water (including water-soluble coolant).
Available for the following pulley types PX Pulley P8M
Operating Ambient Temperature 0℃~60℃(When in contact with oil)
RoHS compliant Compliant
Electroconductive None

※Can be used in heat resistant applications. Contact a Tsubaki representative for more information.

Belt length

Expand all Collapse all

Circumference480 ~ 632

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG480UP8M25-HA 480 60 Contact us for details. Contact us for details. Drawings
BG512UP8M25-HA 512 64 Contact us for details. Contact us for details. Drawings
BG520UP8M25-HA 520 65 Contact us for details. Contact us for details. Drawings
BG536UP8M25-HA 536 67 Contact us for details. Contact us for details. Drawings
BG560UP8M25-HA 560 70 Contact us for details. Contact us for details. Drawings
BG576UP8M25-HA 576 72 Contact us for details. Contact us for details. Drawings
BG584UP8M25-HA 584 73 Contact us for details. Contact us for details. Drawings
BG600UP8M25-HA 600 75 Contact us for details. Contact us for details. Drawings
BG616UP8M25-HA 616 77 Contact us for details. Contact us for details. Drawings
BG632UP8M25-HA 632 79 Contact us for details. Contact us for details. Drawings

Circumference640 ~ 800

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG640UP8M25-HA 640 80 Contact us for details. Contact us for details. Drawings
BG656UP8M25-HA 656 82 Contact us for details. Contact us for details. Drawings
BG680UP8M25-HA 680 85 Contact us for details. Contact us for details. Drawings
BG688UP8M25-HA 688 86 Contact us for details. Contact us for details. Drawings
BG712UP8M25-HA 712 89 Contact us for details. Contact us for details. Drawings
BG720UP8M25-HA 720 90 Contact us for details. Contact us for details. Drawings
BG752UP8M25-HA 752 94 Contact us for details. Contact us for details. Drawings
BG760UP8M25-HA 760 95 Contact us for details. Contact us for details. Drawings
BG776UP8M25-HA 776 97 Contact us for details. Contact us for details. Drawings
BG800UP8M25-HA 800 100 Contact us for details. Contact us for details. Drawings

Circumference816 ~ 920

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG816UP8M25-HA 816 102 Contact us for details. Contact us for details. Drawings
BG824UP8M25-HA 824 103 Contact us for details. Contact us for details. Drawings
BG832UP8M25-HA 832 104 Contact us for details. Contact us for details. Drawings
BG840UP8M25-HA 840 105 Contact us for details. Contact us for details. Drawings
BG848UP8M25-HA 848 106 Contact us for details. Contact us for details. Drawings
BG856UP8M25-HA 856 107 Contact us for details. Contact us for details. Drawings
BG880UP8M25-HA 880 110 Contact us for details. Contact us for details. Drawings
BG896UP8M25-HA 896 112 Contact us for details. Contact us for details. Drawings
BG912UP8M25-HA 912 114 Contact us for details. Contact us for details. Drawings
BG920UP8M25-HA 920 115 Contact us for details. Contact us for details. Drawings

Circumference936 ~ 1096

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG936UP8M25-HA 936 117 Contact us for details. Contact us for details. Drawings
BG944UP8M25-HA 944 118 Contact us for details. Contact us for details. Drawings
BG960UP8M25-HA 960 120 Contact us for details. Contact us for details. Drawings
BG984UP8M25-HA 984 123 Contact us for details. Contact us for details. Drawings
BG1000UP8M25-HA 1000 125 Contact us for details. Contact us for details. Drawings
BG1032UP8M25-HA 1032 129 Contact us for details. Contact us for details. Drawings
BG1040UP8M25-HA 1040 130 Contact us for details. Contact us for details. Drawings
BG1056UP8M25-HA 1056 132 Contact us for details. Contact us for details. Drawings
BG1080UP8M25-HA 1080 135 Contact us for details. Contact us for details. Drawings
BG1096UP8M25-HA 1096 137 Contact us for details. Contact us for details. Drawings

Circumference1120 ~ 1264

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG1120UP8M25-HA 1120 140 Contact us for details. Contact us for details. Drawings
BG1128UP8M25-HA 1128 141 Contact us for details. Contact us for details. Drawings
BG1152UP8M25-HA 1152 144 Contact us for details. Contact us for details. Drawings
BG1160UP8M25-HA 1160 145 Contact us for details. Contact us for details. Drawings
BG1192UP8M25-HA 1192 149 Contact us for details. Contact us for details. Drawings
BG1200UP8M25-HA 1200 150 Contact us for details. Contact us for details. Drawings
BG1208UP8M25-HA 1208 151 Contact us for details. Contact us for details. Drawings
BG1216UP8M25-HA 1216 152 Contact us for details. Contact us for details. Drawings
BG1248UP8M25-HA 1248 156 Contact us for details. Contact us for details. Drawings
BG1264UP8M25-HA 1264 158 Contact us for details. Contact us for details. Drawings

Circumference1280 ~ 1480

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG1280UP8M25-HA 1280 160 Contact us for details. Contact us for details. Drawings
BG1304UP8M25-HA 1304 163 Contact us for details. Contact us for details. Drawings
BG1320UP8M25-HA 1320 165 Contact us for details. Contact us for details. Drawings
BG1344UP8M25-HA 1344 168 Contact us for details. Contact us for details. Drawings
BG1352UP8M25-HA 1352 169 Contact us for details. Contact us for details. Drawings
BG1360UP8M25-HA 1360 170 Contact us for details. Contact us for details. Drawings
BG1400UP8M25-HA 1400 175 Contact us for details. Contact us for details. Drawings
BG1424UP8M25-HA 1424 178 Contact us for details. Contact us for details. Drawings
BG1440UP8M25-HA 1440 180 Contact us for details. Contact us for details. Drawings
BG1480UP8M25-HA 1480 185 Contact us for details. Contact us for details. Drawings

Circumference1520 ~ 1904

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG1520UP8M25-HA 1520 190 Contact us for details. Contact us for details. Drawings
BG1576UP8M25-HA 1576 197 Contact us for details. Contact us for details. Drawings
BG1600UP8M25-HA 1600 200 Contact us for details. Contact us for details. Drawings
BG1640UP8M25-HA 1640 205 Contact us for details. Contact us for details. Drawings
BG1680UP8M25-HA 1680 210 Contact us for details. Contact us for details. Drawings
BG1760UP8M25-HA 1760 220 Contact us for details. Contact us for details. Drawings
BG1800UP8M25-HA 1800 225 Contact us for details. Contact us for details. Drawings
BG1816UP8M25-HA 1816 227 Contact us for details. Contact us for details. Drawings
BG1888UP8M25-HA 1888 236 Contact us for details. Contact us for details. Drawings
BG1904UP8M25-HA 1904 238 Contact us for details. Contact us for details. Drawings

Circumference1960 ~ 2320

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG1960UP8M25-HA 1960 245 Contact us for details. Contact us for details. Drawings
BG2000UP8M25-HA 2000 250 Contact us for details. Contact us for details. Drawings
BG2032UP8M25-HA 2032 254 Contact us for details. Contact us for details. Drawings
BG2064UP8M25-HA 2064 258 Contact us for details. Contact us for details. Drawings
BG2104UP8M25-HA 2104 263 Contact us for details. Contact us for details. Drawings
BG2160UP8M25-HA 2160 270 Contact us for details. Contact us for details. Drawings
BG2240UP8M25-HA 2240 280 Contact us for details. Contact us for details. Drawings
BG2256UP8M25-HA 2256 282 Contact us for details. Contact us for details. Drawings
BG2304UP8M25-HA 2304 288 Contact us for details. Contact us for details. Drawings
BG2320UP8M25-HA 2320 290 Contact us for details. Contact us for details. Drawings

Circumference2400 ~ 3048

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG2400UP8M25-HA 2400 300 Contact us for details. Contact us for details. Drawings
BG2456UP8M25-HA 2456 307 Contact us for details. Contact us for details. Drawings
BG2496UP8M25-HA 2496 312 Contact us for details. Contact us for details. Drawings
BG2600UP8M25-HA 2600 325 Contact us for details. Contact us for details. Drawings
BG2712UP8M25-HA 2712 339 Contact us for details. Contact us for details. Drawings
BG2768UP8M25-HA 2768 346 Contact us for details. Contact us for details. Drawings
BG2800UP8M25-HA 2800 350 Contact us for details. Contact us for details. Drawings
BG2896UP8M25-HA 2896 362 Contact us for details. Contact us for details. Drawings
BG2944UP8M25-HA 2944 368 Contact us for details. Contact us for details. Drawings
BG3048UP8M25-HA 3048 381 Contact us for details. Contact us for details. Drawings

Circumference3200 ~ 4400

Model No. Circumference mm Number of teeth Standard Price Delivery Drawings
BG3200UP8M25-HA 3200 400 Contact us for details. Contact us for details. Drawings
BG3304UP8M25-HA 3304 413 Contact us for details. Contact us for details. Drawings
BG3440UP8M25-HA 3440 430 Contact us for details. Contact us for details. Drawings
BG3600UP8M25-HA 3600 450 Contact us for details. Contact us for details. Drawings
BG3920UP8M25-HA 3920 490 Contact us for details. Contact us for details. Drawings
BG4400UP8M25-HA 4400 550 Contact us for details. Contact us for details. Drawings

Standard transmission capacity kW  (Multiplied by the 1.79 coefficient of width)

Small
pulley
rotation
speed
r/min
Upper row: Number of teeth of small pulley Lower row: Pitch diameter mm
20 22 24 26 28 30 32 34 36 38 40 44 48 50 56 60 64 72
50.93 56.02 61.12 66.21 71.30 76.39 81.49 86.58 91.67 96.77 101.86 112.05 122.23 127.32 142.60 152.79 162.97 183.35
20 0.19 0.21 0.23 0.25 0.26 0.30 0.32 0.34 0.35 0.37 0.41 0.44 0.50 0.51 0.59 0.64 0.71 0.82
40 0.34 0.37 0.42 0.46 0.50 0.53 0.59 0.64 0.68 0.71 0.75 0.84 0.93 0.98 1.10 1.19 1.30 1.50
60 0.48 0.55 0.60 0.66 0.71 0.78 0.84 0.89 0.94 1.00 1.07 1.19 1.32 1.37 1.59 1.71 1.86 2.14
100 0.76 0.85 0.93 1.02 1.10 1.19 1.27 1.37 1.46 1.57 1.66 1.84 2.04 2.14 2.47 2.68 2.89 3.34
200 1.36 1.50 1.66 1.80 1.96 2.13 2.29 2.45 2.61 2.81 3.02 3.31 3.68 3.86 4.43 4.83 5.24 6.08
300 1.89 2.09 2.30 2.52 2.75 2.97 3.18 3.43 3.66 3.90 4.09 4.63 5.15 5.42 6.22 6.78 7.35 8.57
400 2.36 2.63 2.89 3.18 3.45 3.74 4.02 4.31 4.63 4.92 5.22 5.87 6.53 6.87 7.89 8.60 9.34 10.8
500 2.81 3.13 3.45 3.79 4.11 4.47 4.81 5.17 5.53 5.90 6.26 7.03 7.82 8.23 9.48 10.3 11.2 13.1
600 3.23 3.59 3.97 4.36 4.74 5.15 5.54 5.96 6.39 6.80 7.24 8.12 9.05 9.52 10.9 12.0 13.0 15.2
700 3.65 4.04 4.47 4.92 5.35 5.79 6.26 6.71 7.19 7.67 8.18 9.18 10.2 10.7 12.4 13.5 14.7 17.2
800 4.02 4.49 4.95 5.44 5.92 6.42 6.92 7.46 7.98 8.52 9.07 10.2 11.3 11.9 13.8 15.1 16.4 19.2
900 4.40 4.90 5.42 5.94 6.46 7.01 7.58 8.14 8.73 9.32 9.93 11.1 12.4 13.1 15.1 16.6 18.0 21.1
1000 4.76 5.29 5.87 6.40 6.99 7.58 8.19 8.82 9.45 10.0 10.7 12.1 13.5 14.2 16.5 18.0 19.6 23.0
1100 5.11 5.71 6.30 6.92 7.57 8.21 8.86 9.54 10.2 10.9 11.6 13.1 14.6 15.4 17.8 19.5 21.3 25.0
1200 5.47 6.12 6.76 7.42 8.10 8.80 9.50 10.2 10.9 11.7 12.4 14.0 15.7 16.5 19.2 21.0 22.9 26.9
1300 5.83 6.51 7.19 7.91 8.62 9.37 10.1 10.9 11.7 12.5 13.3 15.0 16.8 17.7 20.5 22.5 24.5 28.8
1400 6.19 6.90 7.64 8.39 9.16 9.97 10.7 11.5 12.4 13.2 14.1 16.0 17.8 18.8 21.8 23.9 26.1 30.7
1450 6.35 7.08 7.85 8.62 9.41 10.2 11.0 11.9 12.7 13.6 14.5 16.4 18.4 19.4 22.5 24.7 26.9 31.6
1500 6.53 7.28 8.07 8.86 9.68 10.5 11.3 12.2 13.1 14.0 15.0 16.9 18.9 19.9 23.1 25.4 27.7 32.6
1600 6.85 7.64 8.46 9.32 10.1 11.0 11.9 12.9 13.8 14.8 15.8 17.8 19.9 21.0 24.4 26.8 29.3 34.4
1750 7.35 8.21 9.09 10.0 10.9 11.8 12.8 13.8 14.8 15.9 17.0 19.2 21.5 22.7 26.4 28.9 31.6 37.2
1800 7.50 8.39 9.30 10.2 11.1 12.1 13.1 14.1 15.2 16.3 17.3 19.6 22.0 23.2 27.0 29.6 32.4 38.1
2000 8.16 9.11 10.1 11.1 12.1 13.2 14.3 15.4 16.6 17.7 18.9 21.4 24.0 25.3 29.5 32.4 35.4 41.8
2400 9.39 10.5 11.6 12.8 14.0 15.2 16.5 17.9 19.2 20.6 22.0 24.9 28.0 29.5 34.4 37.9 41.4 49.0
2800 10.5 11.8 13.1 14.4 15.8 17.2 18.7 20.2 21.8 23.3 25.0 28.3 31.8 33.6 39.3 43.3 47.4 56.1
3000 11.1 12.4 13.8 15.2 16.7 18.2 19.8 21.4 23.0 24.7 26.4 30.0 33.7 35.6 41.7 45.9 50.3 59.6
3600 12.4 13.9 15.5 17.1 18.7 20.4 22.2 24.0 25.9 27.8 29.8 33.9 38.1 40.3 47.3 52.1 57.2 67.9
4000 13.1 14.8 16.4 18.2 20.0 21.8 23.7 25.7 27.7 29.7 31.8 36.2 40.9 43.2 50.7 56.0 61.5 73.0
5000 14.8 16.7 18.6 20.6 22.6 24.8 27.0 29.3 31.6 34.0 36.5 41.6 47.0 49.8 58.6 64.7
6000 16.1 16.1 20.4 22.6 24.9 27.3 29.8 32.3 34.9 37.6 40.4 46.2 52.3 55.5 65.4 72.4

・Avoid using in the gray highlighted range as the belt will have a shorter service life.

・The lower right of the bold outlined cells have a pulley speed greater than 33m/s. Ensure the pulley is well balanced.

Standard Transmission Torque N・m  (Multiplied by the 1.79 coefficient of width)

Small
pulley
rotation
speed
r/min
Upper row: Number of teeth of small pulley Lower row: Pitch diameter mm
20 22 24 26 28 30 32 34 36 38 40 44 48 50 56 60 64 72
50.93 56.02 61.12 66.21 71.30 76.39 81.49 86.58 91.67 96.77 101.86 112.05 122.23 127.32 142.60 152.79 162.97 183.35
20 95.2 103 112 121 129 147 155 164 173 181 199 216 242 250 285 311 337 389
40 82.5 91.1 104 112 121 130 138 151 160 169 177 199 221 234 264 286 312 360
60 78.2 86.9 95.5 104 112 124 133 141 150 159 170 191 211 220 252 272 295 342
100 73.2 81.9 88.9 97.5 106 115 122 130 139 149 158 175 195 205 235 256 277 318
200 64.6 71.6 79.4 86.4 94.3 101 109 117 124 133 144 158 175 184 211 230 249 290
300 60.1 66.5 73.5 80.5 87.5 94.5 101 109 116 124 130 147 163 172 198 215 233 272
400 56.5 62.6 69.2 75.8 82.3 89.3 95.9 102 110 117 124 140 156 163 188 205 223 259
500 53.7 59.6 66.0 72.3 78.5 85.2 92.0 98.6 105 112 119 134 149 157 181 197 214 250
600 51.5 57.2 63.1 69.4 75.5 81.9 88.4 94.8 101 108 115 129 143 151 174 191 207 242
700 49.7 55.3 61.0 66.9 73.0 79.1 85.3 91.6 98.0 104 111 125 139 146 169 185 201 235
800 48.1 53.7 59.0 64.7 70.7 76.6 82.6 88.9 95.2 101 108 121 135 142 165 180 196 229
900 46.7 51.9 57.4 63.0 68.5 74.4 80.5 86.4 92.7 98.9 105 118 132 139 161 176 191 224
1000 45.4 50.4 56.0 61.2 66.9 72.4 78.4 84.3 90.2 96.4 102 115 129 136 157 172 187 219
1100 44.3 49.5 54.7 60.1 65.6 71.2 76.9 82.6 88.6 94.8 101 113 127 133 155 169 185 216
1200 43.6 48.6 53.8 59.0 64.6 69.9 75.7 81.4 87.1 93.2 99.3 112 125 131 153 167 182 214
1300 42.7 47.7 52.8 58.1 63.3 68.9 74.4 80.1 85.9 91.8 97.9 110 123 130 150 165 180 211
1400 42.2 47.0 52.0 57.2 62.4 67.8 73.3 78.9 84.8 90.7 96.6 109 121 128 149 163 178 209
1450 41.8 46.7 51.7 56.7 62.1 67.3 72.8 78.4 84.1 90.0 95.9 108 121 127 148 162 177 208
1500 41.5 46.3 51.3 56.3 61.5 66.9 72.3 78.0 83.5 89.5 95.5 107 120 127 147 161 176 207
1600 40.8 45.6 50.4 55.6 60.8 66.0 71.4 76.9 82.6 88.4 94.3 106 119 125 146 160 174 205
1750 40.0 44.7 49.5 54.5 59.7 64.7 70.1 75.7 81.2 86.9 92.7 104 117 123 143 158 172 203
1800 39.7 44.5 49.4 54.2 59.4 64.4 69.8 75.1 80.9 86.4 92.3 104 116 123 143 157 171 202
2000 38.8 43.4 48.1 53.1 57.9 63.1 68.3 73.7 79.2 84.8 90.5 102 114 121 141 155 169 199
2400 37.4 41.7 46.3 51.0 55.8 60.8 66.0 71.2 76.6 81.9 87.7 99.3 111 117 137 150 165 194
2800 35.9 40.2 44.7 49.4 54.0 58.8 63.9 69.0 74.2 79.6 85.2 96.6 108 114 134 147 161 191
3000 35.4 39.7 44.2 48.6 53.3 58.1 63.1 68.1 73.3 78.7 84.3 95.5 107 113 132 146 160 189
3600 32.9 36.8 41.1 45.2 49.7 54.4 59.0 63.9 68.7 73.9 79.1 89.8 101 107 125 138 151 180
4000 31.5 35.4 39.3 43.4 47.7 52.0 56.7 61.3 66.0 71.0 76.0 86.6 97.5 103 121 133 146 174
5000 28.2 31.8 35.6 39.3 43.3 47.4 51.5 56.0 60.3 64.9 69.6 79.4 89.8 95.2 111 123
6000 25.7 25.7 32.3 35.9 39.7 43.4 47.4 51.5 55.6 59.9 64.4 73.5 83.2 88.2 104 115

・Avoid using in the gray highlighted range as the belt will have a shorter service life.

・The lower right of the bold outlined cells have a pulley speed greater than 33m/s. Ensure the pulley is well balanced.

Available for the following pulley types

Type Material Base Model No. Tooth no. range
AF/A
BF/B
Carbon steel P8M25AF
P8M25A
P8M25BF
P8M25B
20T~120T
Aluminum P8M25AF-A
P8M25A-A
P8M25BF-A
P8M25B-A
20T~120T
Fit bore Carbon steel P8M25AF-□□TJ
P8M25BF-□□TJ
20T~60T
Lock
S type
Carbon steel P8M25AF-S□□
P8M25BF-S□□
20T~72T
Aluminum P8M25AF-A-S□□ 20T~60T
Plated P8M25AF-□□-K 20T~72T