Changzhou Suma Precision Machinery Co., Ltd
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RSXM 1.4KG Backstop One Way Sprag Clutch Bearing
Features
The series RSXM completes teh small to medium backstop range, which commenced with the highly successful RSCI programme. Type RSXM is a centrifugal lift off sprag type freewheel with the inner race rotating. Only the inner race is designed for freewheeling. It is a non self-supported type.Bearings must be provided to ensure concentricity of the inner and outer races and support axial and radial loads, as shown overleaf. Concentricity and run-out limits must be observed.
The RSXM type accepts all types of lubricant currently used in power transmission equipment. It is possible to mount these freewheels directly in gear-boxes without seperate lubrication. An oil mist ist generally sufficient. Grease lubrication may be acceptable if the unit works mostly in overrunning condition, as on E-motors. When used as a backstop, it must be checked that the overrun-ning speed will not go below the minimum speed given in the characteristic table.
Dimension and Capacity
| Type | Bore dia. | Torque | Overrunning speeds |
| ||||||
| RSXM | dH7 | TKN1) | nmax2) | nimin3) | nimax4) | D5) | D1h6 | D2H7 | L | Weight |
| [mm] | [Nm] | [min-1 ] | [min-1 ] | [min-1 ] | [mm] | [mm] | [mm] | [mm] | [kg] | |
| 31 | 20 | 100 | 340 | 820 | 20000 | 85 | 31 | 55 | 24 | 0.75 |
| 38 | 20.25 | 135 | 320 | 770 | 18500 | 90 | 38 | 62 | 24 | 0.95 |
| 46 | 25.3 | 425 | 300 | 720 | 13500 | 95 | 46 | 70 | 35 | 1.4 |
| 51 | 30.35 | 525 | 220 | 525 | 12500 | 105 | 51 | 75 | 35 | 1.8 |
| 56 | 35.4 | 625 | 210 | 500 | 11500 | 110 | 56 | 80 | 35 | 1.8 |
| 61 | 35.4 | 420 | 265 | 640 | 14000 | 120 | 61 | 85 | 25 | 1.8 |
| 66 | 35.40.45 | 850 | 200 | 480 | 10000 | 132 | 66 | 90 | 35 | 2.7 |
| 76 | 40.45.50 | 1100 | 190 | 460 | 9000 | 140 | 76 | 100 | 35 | 3.1 |
| 86 | 45.5 | 1450 | 180 | 440 | 8000 | 150 | 86 | 110 | 40 | 4.2 |
| 101 | 45.55.60.70 | 1950 | 175 | 420 | 6500 | 175 | 101 | 125 | 50 | 7.3 |
NOTES
1) T max = 2 × T KN » Refer to Selection page 10 to 13
2) This maximum allowable torque transmission speed n max must not be exceeded when transmitting torque.
3) This minimum allowable overrunning speed n imin should not be rdeuced under continuous operation. Possible reduction of this minimum speed in request.
4) Inner race overruns. Keyway to DIN 6885.1
5) Tolerance +1 » Refer to mounting and maintenance instructions
Mounting
Pictures