INA ZKLF50140-2Z-XL bearings
Axial angular contact ball bearings ZKLF..-2Z, double direction, for screw mounting, gap seals on both sides
- Measurement system
- Metric
- Bore diameter
- 50.000 mm
- Outside diameter
- 140.000 mm
- Height
- 54.000 mm
- Ca
- 125000 N
- C0a
- 250000 N
- Limiting speed
- 3500 r/min
- Net weight
- 4.404 kg
- Number of rows
- 2
- Contact angle deg
- 60
- Sealing
- Gap seal on both sides
- Locating feature
- Screw mounting
- Cage
- Plastic
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Special
- Lubricant in bearing
- Grease
- Relubrication feature
- With
In stock
Technical specification for INA ZKLF50140-2Z-XL
| Part Number | ZKLF50140-2Z-XL | |
|---|---|---|
| Replaces | ZKLF 50140.2Z , ZKLF50140-2Z | |
| Main Dimensions & Performance Data | ||
| d | 50 mm | Bore diameter |
| 0 mm | Bore diameter upper tolerance | |
| -0.005 mm | Bore diameter lower tolerance | |
| D | 140 mm | Outside diameter |
| 0 mm | Outside diameter upper tolerance | |
| -0.01 mm | Outside diameter lower tolerance | |
| B | 54 mm | Width |
| 0 mm | Width upper tolerance | |
| -0.25 mm | Width lower tolerance | |
| Ca | 125000 N | Basic dynamic load rating, axial |
| C0a | 250000 N | Basic static load rating, axial |
| Cua | 15200 N | Fatigue load limit, axial |
| nG Grease | 3500 1/min | Limiting speed for grease lubrication |
| n∂ | 2500 1/min | Thermally safe operating speed |
| MR | 1.3 Nm | Bearing frictional torque |
| m | ≈ 4.404 kg | Weight |
| Mounting dimensions | ||
| Da max | 98 mm | Maximum diameter of housing |
| da min | 63 mm | Minimum diameter shaft |
| t1 | 0.2 mm | Position tolerance of bore in the housing |
| M10 | Size of fixing screws | |
| na | 12 | Number of holes in adjacent construction |
| ta | 30° | Pitch separation angle of holes in adjacent construction |
| M6 | Connection thread for lubrication | |
| Dimensions | ||
| d1 | 80 mm | Rib diameter inner ring |
| rmin | 0.6 mm | Minimum chamfer dimension |
| r1 min | 0.6 mm | Minimum chamfer dimension |
| J | 113 mm | Pitch circle diameter fixing holes |
| d2 | 11 mm | Fixing holes diameter |
| b | 3 mm | Width of extraction slot |
| I | 45 mm | Distance of extraction slot |
| n | 12 | Pitch quantity of fixing holes |
| t | 30° | Pitch separation angle of fixing holes |
| α | 60° | Contact angle |
| Additional information | ||
| CaL | 1400 N/µm | Rigidity axial |
| CkL | 1500 Nm/mrad | Tilting rigidity |
| Mm | 15.2 kg*cm2 | Mass moment of inertia |
| 2.5 µm | Axial runout | |
| ZMA50/75 | Recommended INA precision locknut for radial locking | |
| MA | 150 Nm | Tightening torque for the recommended INA precision locknut |
| 28451 N | Required locknut force axial | |
INA ZKLF50140-2Z-XL - Axial angular contact ball bearings ZKLF..-2Z, double direction, for screw mounting, gap seals on both sides.
ZKLF50140-2Z-XL INA angular contact ball bearings is in the X-life design. As a result of increased raceway accuracy and raceway quality, there is a significant reduction in the stress conditions present on the rolling elements and raceways under the same load, compared to the standard bearings.
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