INA ZKLF1255-2RS-XL Thrust ball bearings
Also known as : ZKLF1255-2RS-XL
- Inside Diameter: 12 mm
- Outside Diameter: 55 mm
- Width: 25 mm
- Basic dynamic load rating: 18.6 kN
- Basic static load rating: 24.7 kN
INA ZKLF1255-2RS-XL
INA ZKLF1255-2RS-XL details
| Number | ZKLF1255-2RS-XL | |
|---|---|---|
| Type |
Axial angular contact ball bearings double direction, for screw mounting, lip seals on both sides |
|
| d | 12mm | Tolerance: 0/-0,005 |
| D | 55mm | Tolerance: 0/-0,01 |
| B | 25mm | Tolerance: 0/-0,25 |
| M6 | Threaded connector for lubrication | |
| 60° | Contact angle | |
| M6 |
Fixing screws to DIN EN ISO 4762 10.9 Screws not included in scope of delivery. Tightening torque according to manufacturer’s data. |
|
| b | 3mm | |
| Da max | 33mm | |
| d1 | 25mm | |
| d2 | 6,8mm | |
| da min | 16mm | |
| I | 17mm | |
| J | 42mm | |
| naxta | 3 x 120° |
Fixing screws to DIN EN ISO 4762 10.9 Screws not included in scope of delivery. Tightening torque according to manufacturer’s data. Number of holes in adjacent construction corresponds to n a. |
| n x t | 3 x 120° | Pitch |
| r1 min | 0,6mm | |
| rmin | 0,3mm | |
| t1 | 0,1mm | |
| m | 0,37kg | ≈ Mass |
| Ca | 18600N | Basic dynamic load rating, axial |
| C0a | 24700N | Basic static load rating, axial |
| Cua | 1500N | Fatigue limit load, axial |
| nG Fett | 92001/min | Limiting speed for grease lubrication |
| nϑ | 38001/min | Thermally safe operating speed |
| MRL | 0,16Nm | Bearing frictional torque |
| caL | 375N/µm | Axial rigidity |
| ckL | 50Nm/mrad | Tilting rigidity |
| Mm | 0,068kg * cm^2 | Mass moment of inertia for rotating inner ring |
| 2µm |
Axial runout The axial runout data for screw drive bearing arrangements are based on the rotating inner ring. |
|
| ZM12 |
Recommended INA precision locknuts with radial clamping The recommended INA precision locknuts are not included in the scope of delivery and must be ordered separately. |
|
| MA | 8Nm |
Tightening torque Only valid in conjunction with INA precision locknuts. Observe the guidelines on locating/locating bearing arrangements. |
| 5307N |
Requisite locknut force, axial The requisite axial locknut force must be observed when using other locknuts. |
INA ZKLF1255-2RS-XL bearing cross reference
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