NSK 7921CTYNSULP4 bearings
7921CTYNSULP4, NSK, Super precision angular contact ball bearings, Contact angle C: 15°
- Measurement system
- Metric
- Bore diameter
- 105.000 mm
- Outside diameter
- 145.000 mm
- Width
- 20.000 mm
- Cr
- 53500 N
- C0r
- 57000 N
- Limiting speed
- 11000 r/min
- Net weight
- 0.831 kg
- Number of rows
- 1
- Contact angle deg
- 15
- 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 7921CTYNSULP4
| Parts Number | 7921CTYNSULP4 | |
|---|---|---|
| Brand | NSK | |
| Contact Angle | C: 15° | |
| Accuracy | P4: ISO Class 4 | |
| Cage | Polyamide resin | |
| Arrangement | Universal combination, single row | |
| Boundary Dimensions | ||
| d | 105 mm | Bore diameter |
| D | 145 mm | Outside diameter |
| B | 20 mm | Width |
| r min. | 1.1 mm | Chamfer Dimension |
| r1 min. | 0.6 mm | Chamfer Dimension |
| Basic Load Ratings | ||
| Cr | 53.5 kN | Basic Dynamic Load Rating |
| C0r | 57.0 kN | Basic Static Load Rating |
| Speeds | ||
| Grease | 9000 min-1 | Limiting Speed |
| Oil | 11000 min-1 | Limiting Speed |
| Dimensions | ||
| a | 26.7 mm | Effective Load Center |
| Abutment and Fillet Dimensions | ||
| da min. | 112 mm | Diameter of Shaft Abutment |
| Da max. | 138 mm | Diameter of Housing Abutment |
| Db max. | 140 mm | Diameter of Housing Abutment |
| ra max. | 1 mm | Radius of Shaft or Housing Fillet |
| rb max. | 0.6 mm | Radius of Shaft or Housing Fillet |
| Performance | ||
| Pa | 34.5 kN | Permissible Axial Load |
| Preload,Rigidity(DB and DF arrangement) | ||
| Preload | 396N | L: light preload |
| Axial Rigidity | 116N/μm | |
| Measured axial clearance | -13μm | |
Additional information | ||
| 4.8 g/brg | Recommended Grease Quantities | |
| Mass | ||
| Weight | 0.831 kg (approx.) | |
7921CTYNSULP4, NSK, Super precision angular contact ball bearings, Contact angle C: 15°; Polyamide resin cage, ball guided; Universal combination bearing, single row; Light preload; P4: ISO Class 4.
NSK 7921CTYNSULP4, Bore diameter: 105 mm; Outside diameter 145 mm; Width 20 mm.
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