BWC13239B Sprag Freewheel One Way Clutch Bearings Bwc-13261 103.231x119.944x15.4mm
BWC13239B Sprag Freewheel Clutch One Way Bearing BWC 13239B bwc-13261 103.231x119.944x15.4mm
Technical Datas
Type BWC is a sprag type freewheel cage without inner or outer races. It must be installed in a design providing races, bearing support for axial and radial loads, lubrication and sealing. The BWC type version-N accepts all types of lubricants currently used in the power transmis-sion equipement. The sprag space tolerance must not be exceeded. Inner and outer races must
both have a minimum plain width "e", without any recess, to ensure the freewheel functions correctly. Alternatively, races can be made in case hardened steel shafts, or housings, to the specification below. Surface hardness of the finished part should be HRC 60 to 62, for a depth of 0, 6 mm minimum. Core hardness to be HRC35 to 45. Surface roughness not to exceed 22CLA. Maximum taper between races: 0, 007 mm for 25 mm width.
Dimensions and Capacities
| Item | X,BW,BWC |
| Material | Chrome Steel GCr15 |
| Structure | Single row sprag type freewheel without inner or outer races |
| Surface hadrness | HRC60 to 62, for a depth of 0.6mm minimum |
| Core hardness | HRC35 to 45 |
| Inside shaft dia. | 57.760 mm |
| Outside shaft dia. | 74.427 mm |
| Max. width | 15.9 mm |
| Type | Inside shaft Diameter | Outside Shaft Diameter | Maximum Width | Rated Drag Torque | ||
| D1 | Sprag Space | De | Sprag Space | B | N.M (kgf.m) | |
| x-135006 | 54.572 | +0.008-0.005 | 71.211 | ±0.013 | 20.5 | 799 (81.5) |
| BW-13231 | 54.765 |
- |
71.427 |
- |
13.5 | 402 (41.0) |
| BW-13214 | 15.9 | 363 (37.0) | ||||
| BW-13167 | 15.9 | 569 (58.0) | ||||
| BW-13209 | 57.760 |
- |
74.427 |
- |
13.5 | 554 (56.5) |
| BWC-13239B | 15.9 | 711 (72.5) | ||||
| BW-13238 | 21.0 | 1050 (107) | ||||
| X-133401 | 59.538 | - | 76.200 | - | 25.4 | 1350 (138) |
| BW-13243 | 72.217 |
- |
88.882 |
- |
13.5 | 637 (65.0) |
| BWC-13168 | 21.0 | 1510 (154) | ||||
| BWC-13229 | 21.6 | 1325 (135) | ||||
| BW-13255 | 26.7 | 1920 (196) | ||||
| X-133614C | 83.596 | ±0.013 | 102.555 | - | 25.4 | 3040 (310) |
| X-133402 | 85.776 | - | 104.775 | - | 25.4 | 3090 (315) |
| BWC-13251 | 103.231 |
- |
119.944 |
- |
15.4 | 789 (80.5) |
| BWC-13261 | 15.4 | 1580 (161) | ||||
| X-133639 | 103.231 | - | 122.230 | - | 25.4 | 4410 (450) |
| X-133403 | 123.881 | - | 142.880 | - | 25.4 | 5740 (585) |
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