Main Dimensions & Performance Data
| d | 55.00 mm | Bore diameter | 
|  | 0.00 mm | Bore diameter upper tolerance | 
|  | -0.00 mm | Bore diameter lower tolerance | 
| D | 100.00 mm | Outside diameter | 
|  | 0.00 mm | Outside diameter upper tolerance | 
|  | -0.01 mm | Outside diameter lower tolerance | 
| B | 25.00 mm | Width | 
|  | 0.00 mm | Width upper tolerance | 
|  | -0.25 mm | Width lower tolerance | 
|  | 
| Reference speed |  | 12 000 r/min |  | Basic dynamic load rating, axial | 
| C0a | 64,000.00 N | Basic static load rating, axial | 
| Cua | 3,850.00 N | Fatigue load limit, axial | 
| nG Grease | 5,000.00 1/min | Limiting speed for grease lubrication | 
| nϑ | 2,200.00 1/min | Thermally safe operating speed | 
| MR | 0.50 Nm | Bearing frictional torque | 
| ≈m | 0.73 kg | Weight | 
Mounting dimensions
| da min | 40.00 mm | Minimum diameter shaft | 
|  | M6 | Size of fixing screws | 
| na | 6.00 | Number of holes in adjacent construction | 
| ta | 60.00 ° | Pitch separation angle of holes in adjacent construction | 
|  | M6 | Connection thread for lubrication | 
Dimensions
| d1 | 45.50 mm | Rib diameter inner ring | 
| rmin | 0.30 mm | Minimum chamfer dimension | 
| r1 min | 0.60 mm | Minimum chamfer dimension | 
| J | 63.00 mm | Pitch circle diameter fixing holes | 
| d2 | 6.80 mm | Fixing holes diameter | 
| b | 3.00 mm | Width of extraction slot | 
| I | 19.00 mm | Distance of extraction slot | 
| n | 12.00 | Pitch quantity of fixing holes | 
| t | 30.00 ° | Pitch separation angle of fixing holes | 
| a | 60.00 ° | Contact angle | 
Temperature range
| Tmin | -30.00 °C | Operating temperature min. | 
| Tmax | 120.00 °C | Operating temperature max. | 
Additional information
| caL | 850.00 N/µm | Rigidity axial | 
| ckL | 300.00 Nm/mrad | Tilting rigidity | 
| Mm | 0.73 kg * cm² | Mass moment of inertia | 
|  | 2.50 µm | Axial runout | 
|  | ZM30 | Recommended INA precision locknut for radial locking | 
|  | AM30 | Recommended INA precision locknut for axial locking | 
| MA | 32.00 Nm | Tightening torque for the recommended INA precision locknut | 
|  | 9,947.00 N | Required locknut force axial | 
Your current product variant
| Sealing | 2RS | Contact lip seals on both sides |