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Site encryption and secure transactions
We accept PayPal, Mastercard, Visa and more
To mainland UK on orders of £100+
RPB blue round belting
| Round Belts – Sizes & Properties | ||||||
|---|---|---|---|---|---|---|
| RPZ | RPZS | RPN/RPN-NT* | RPS | RPB | RPBS | |
 |
 |
 |
 |
 |
 |
|
| Hardness | 86 A | 88 A | 88 A | 88 A | 88A | 88A |
| USDA/FDA | No | No | No | No | Yes | Yes |
| Temp. range | -20 /+50°C | -20 /+50°C | -30 /+80°C | -30 /+80°C | -30°C to +80°C | -30°C to +80°C |
| Coef. friction (Steel) |
0.5 | 0.5 | 0.38 | 0.4 | 0.38 | 0.40 |
| Diameter mm (inch) |
Min. pulley dia. (mm) |
Pull force (1%) kg. |
Min. pulley dia. (mm) |
Pull force (1%) kg. |
Min. pulley dia. (mm) |
Pull force (1%) kg. |
Min. pulley dia. (mm) |
Pull force (1%) kg. |
Min. pulley dia. (mm) |
Pull force (1%) kg. |
Min. pulley dia. (mm) |
Pull force (1%) kg. |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2 (5/64) | – | – | – | – | 19 | 0.13 | – | – | 19 | 0.13 | – | – |
| 3 (1/8) | – | – | – | – | 29 | 0.31 | – | – | 29 | 0.31 | – | – |
| 4 (5/32) | – | – | – | – | 38 | 0.54 | – | – | 38 | 0.54 | – | – |
| 5 (3/16) | 45 | 0.8 | – | – | 48 | 0.85 | 50 | 11 | 48 | 0.85 | – | – |
| 6 (15/64) | 54 | 1.16 | – | – | 57 | 1.22 | 60 | 16 | 57 | 1.22 | 60 | 16 |
| 6.3 (1/4) | – | – | – | – | – | – | – | – | – | – | – | – |
| 7 (9/32) | – | – | – | – | 67 | 1.67 | 70 | 18 | – | – | – | – |
| 8 (5/16) | 72 | 2.05 | – | – | 76 | 2.18 | 80 | 19 | 76 | 2.18 | 80 | 19 |
| 9 (23/64) | – | – | – | – | 86 | 2.75 | 90 | 21 | – | – | – | – |
| 9.5 (3/8) | – | – | – | – | – | – | – | – | – | – | – | – |
| 10 (25/64) | 89 | 3.2 | 95 | 19.5 | 95 | 3.4 | 100 | 22 | 95 | 3.4 | 100 | 22 |
| 12 (15/32) | 108 | 4.56 | 112 | 23 | 114 | 4.9 | 120 | 26 | 114 | 4.9 | 120 | 26 |
| 12.5 (1/2) | – | – | – | – | – | – | – | – | – | – | – | – |
| 14 (9/16) | – | – | – | – | – | – | – | – | – | – | – | – |
| 15 (19/32) | 135 | 7.25 | 140 | 24 | 143 | 7.65 | 150 | 27 | 143 | 7.65 | 150 | 27 |
| 18 (23/32) | – | – | – | – | 171 | 11 | 180 | 37 | 171 | 11 | – | – |
| 19 (3/4) | – | – | – | – | – | – | – | – | – | – | – | – |
| 20 (25/32) | – | – | – | – | 190 | 13.6 | – | – | – | – | – | – |
| 25 (1) | – | – | – | – | – | – | – | – | – | – | – | – |
* RPN-NT is a smooth finish Non Textured