Cam clutch(backstop)RSBW
Type RSBW is a DC sprag type freewheel from Suma roller bearing manufacturer. It is self-contained, centered by plain bearings for low rotational speeds and sealed using shield protected O Rings.
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Feature
Type RSBW is a DC sprag type freewheel from Suma roller bearing manufacturer. It is self-contained, centered by plain bearings for low rotational speeds and sealed using shield protected O Rings.
Unit is delivered grease lubricated ready for installation in either a horizontal or vertical position. Primarily used as a backstop, this type provides a high torque capacity with a minimum space requirement.
The design allows installation in difficult environments such as high humidity or water splash areas. A bolt, secured to a fixed part of the machine and passing through the slot in the torque arm, provides the rotational stop. Radial clearance on this bolt should be equal to 1–3 % of the slot width. The torque arm and the bearings must not be prestressed.
| Type | Size | Overrunnin gSpeeds | Weight | |||||||||
| RSBW | dH7 | TKN1) | nimax | D | L 1 | F | E | B | N | L | bH11 | |
| [mm] | [Nm] | [min-1] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [mm] | [kg] | |
| 20 | 375 | 400 | 106 | 35 | 113 | 102.5 | 40 | 35 | 15 | 18 | 2 | |
| 25 | 606 | 400 | 106 | 48 | 113 | 102.5 | 40 | 35 | 15 | 18 | 2.6 | |
| 30 | 606 | 400 | 106 | 48 | 113 | 102.5 | 40 | 35 | 15 | 18 | 2.5 | |
| 35M | 375 | 400 | 106 | 35 | 113 | 102.5 | 40 | 35 | 15 | 18 | 2 | |
| 35 | 606 | 400 | 106 | 48 | 113 | 102.5 | 40 | 35 | 15 | 18 | 2.4 | |
| 40 | 1295 | 300 | 132 | 52 | 125 | 115 | 60 | 35 | 15 | 18 | 4.6 | |
| 45 | 1295 | 300 | 132 | 52 | 125 | 115 | 60 | 35 | 15 | 18 | 4.5 | |
| 50 | 1295 | 300 | 132 | 52 | 125 | 115 | 60 | 35 | 15 | 18 | 4.5 | |
| 55 | 1295 | 300 | 132 | 52 | 125 | 115 | 60 | 35 | 15 | 18 | 4.4 | |
| 60 | 2550 | 250 | 161 | 54 | 140 | 130 | 70 | 35 | 15 | 18 | 6.5 | |
| 70 | 2550 | 250 | 161 | 54 | 140 | 130 | 70 | 35 | 15 | 18 | 6.4 | |
| 80 | 4875 | 200 | 190 | 70 | 165 | 150 | 70 | 45 | 20 | 25 | 9.9 | |
| 90 | 4875 | 200 | 190 | 70 | 165 | 150 | 70 | 45 | 20 | 25 | 9.8 | |
NOTES 1) T max = 2 × T KN | MOUNTING EXAMPLE
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