NSK 7221A5TYNSULP4 bearings
7221A5TYNSULP4, NSK, Super precision angular contact ball bearings, Contact angle A5: 25°

- Measurement system
- Metric
- Bore diameter
- 105.000 mm
- Outside diameter
- 190.000 mm
- Width
- 36.000 mm
- Cr
- 163000 N
- C0r
- 137000 N
- Limiting speed
- 9500 r/min
- Net weight
- 3.77 kg
- Number of rows
- 1
- Contact angle deg
- 25
- 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 7221A5TYNSULP4
Parts Number | 7221A5TYNSULP4 | |
---|---|---|
Brand | NSK | |
Contact Angle | A5: 25° | |
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 | 163 kN | Basic Dynamic Load Rating |
C0r | 137 kN | Basic Static Load Rating |
Speeds | ||
Grease | 6700 min-1 | Limiting Speed |
Oil | 9500 min-1 | Limiting Speed |
Dimensions | ||
a | 52.4 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 | 111 kN | Permissible Axial Load |
Preload,Rigidity(DB and DF arrangement) | ||
Preload | 1790N | L: light preload |
Axial Rigidity | 348N/μm | |
Measured axial clearance | -27μm | |
Additional information | ||
21 g/brg | Recommended Grease Quantities | |
Mass | ||
Weight | 3.77 kg (approx.) |

7221A5TYNSULP4, NSK, Super precision angular contact ball bearings, Contact angle A5: 25°; Polyamide resin cage, ball guided; Universal combination bearing, single row; Light preload; P4: ISO Class 4.
NSK 7221A5TYNSULP4, Bore diameter: 105 mm; Outside diameter 190 mm; Width 36 mm.
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