NSK 7221ATYNSULP4 bearings
7221ATYNSULP4, NSK, Super precision angular contact ball bearings, Contact angle A: 30°
- Measurement system
- Metric
- Bore diameter
- 105.000 mm
- Outside diameter
- 190.000 mm
- Width
- 36.000 mm
- Cr
- 157000 N
- C0r
- 132000 N
- Limiting speed
- 6700 r/min
- Net weight
- 3.82 kg
- Number of rows
- 1
- Contact angle deg
- 30
- Sealing
- Without
- Cage
- Resin cage
- Bore type
- Cylindrical
- Outer diameter type
- Cylindrical
- Arrangement
- Universal matching
- Bearing material
- Steel
- Rolling material
- Steel
- Tolerance class
- Class4 (P4)
- Internal clearance
- CN
- Lubricant in bearing
- None
In stock
Technical specification for NSK 7221ATYNSULP4
| Parts Number | 7221ATYNSULP4 | |
|---|---|---|
| Brand | NSK | |
| Contact Angle | A: 30° | |
| Accuracy | P4: ISO Class 4 | |
| Cage | Polyamide resin | |
| Arrangement | Universal combination, single row | |
| Boundary Dimensions | ||
| d | 105 mm | Bore diameter |
| D | 190 mm | Outside diameter |
| B | 36 mm | Width |
| r min. | 2.1 mm | Chamfer Dimension |
| r1 min. | 1.1 mm | Chamfer Dimension |
| Basic Load Ratings | ||
| Cr | 157 kN | Basic Dynamic Load Rating |
| C0r | 132 kN | Basic Static Load Rating |
| Speeds | ||
| Grease | 5000 min-1 | Limiting Speed |
| Oil | 6700 min-1 | Limiting Speed |
| Dimensions | ||
| a | 60.6 mm | Effective Load Center |
| Abutment and Fillet Dimensions | ||
| da min. | 117 mm | Diameter of Shaft Abutment |
| Da max. | 178 mm | Diameter of Housing Abutment |
| Db max. | 183 mm | Diameter of Housing Abutment |
| ra max. | 2 mm | Radius of Shaft or Housing Fillet |
| rb max. | 1 mm | Radius of Shaft or Housing Fillet |
| Performance | ||
| Pa | 85.0 kN | Permissible Axial Load |
| Preload,Rigidity(DB and DF arrangement) | ||
| Preload | 2298N | L: light preload |
| Axial Rigidity | 493N/μm | |
| Measured axial clearance | -25μm | |
Additional information | ||
| 21 g/brg | Recommended Grease Quantities | |
| Mass | ||
| Weight | 3.82 kg (approx.) | |
7221ATYNSULP4, NSK, Super precision angular contact ball bearings, Contact angle A: 30°; Polyamide resin cage, ball guided; Universal combination bearing, single row; Light preload; P4: ISO Class 4.
NSK 7221ATYNSULP4, Bore diameter: 105 mm; Outside diameter 190 mm; Width 36 mm.
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