NSK 30TAC72CSUHPN7C bearings
30TAC72CSUHPN7C, NSK, Super Precision Angular Contact Thrust Ball Bearings for Ball Screw Support
- Measurement system
- Metric
- Bore diameter
- 30.000 mm
- Outside diameter
- 72.000 mm
- Height
- 19.000 mm
- Ca
- 39 N
- C0a
- 50 N
- Limiting speed
- 5800 r/min
- Net weight
- 0.427 kg
- Number of rows
- 1
- Contact angle deg
- 60
- Sealing
- Without
- Cage
- Resin cage
- Arrangement
- Universal matching
- Bearing material
- Steel
- Rolling material
- Steel
- Lubricant in bearing
- None
In stock
Technical specification for NSK 30TAC72CSUHPN7C
| Parts Number | 30TAC72CSUHPN7C | |
|---|---|---|
| Brand | NSK | |
| Contact Angle | 60° | |
| Accuracy | PN7C: NES Class 7C (axial runout equivalent to P2) | |
| Arrangement | Universal arrangement, single row | |
| Boundary Dimensions | ||
| d | 30 mm | Bore diameter |
| D | 72 mm | Outside diameter |
| B | 19 mm | Width |
| r min. | 1 mm | Chamfer Dimension |
| r1 min. | 0.6 mm | Chamfer Dimension |
| Basic Load Ratings | ||
| Ca(1row) | 39.0 kN | Basic Dynamic Load Rating Ca by Number of Rows Sustaining Fa |
| Ca(2row) | 63.5 kN | Basic Dynamic Load Rating Ca by Number of Rows Sustaining Fa |
| Ca(3row) | 84.5 kN | Basic Dynamic Load Rating Ca by Number of Rows Sustaining Fa |
| Speeds | ||
| Grease | 4100 min-1 | Limiting Speed |
| Oil | 5800 min-1 | Limiting Speed |
| Abutment and Fillet Dimensions | ||
| da min. | 36 mm | Diameter of Shaft Abutment |
| Da max. | 66 mm | Diameter of Housing Abutment |
| Db max. | 67 mm | Diameter of Housing Abutment |
| Performance | ||
| 1row | 50.0 kN | Limiting Static Axial Load by Number of Rows Sustaining Fa |
| 2row | 100 kN | Limiting Static Axial Load by Number of Rows Sustaining Fa |
| 3row | 150 kN | Limiting Static Axial Load by Number of Rows Sustaining Fa |
| Preload,Rigidity(DB and DF arrangement) | ||
| Preload | 2750N | H: Heavy preload |
| Axial Rigidity | 1030N/μm | |
| Additional information | ||
| Measured Axial Clearance (DB and DF arrangement) | -15 μm | H: Heavy preload |
| Starting Torque (DB and DF arrangement) | 0.18 N•m | |
| 4.6 g/brg | Recommended Grease Quantities | |
| Mass | ||
| Weight | 0.427 kg (approx.) | |
30TAC72CSUHPN7C, NSK, super precision angular contact thrust ball bearings for ball screw support, contact angle 60°; Universal combination bearing, single row; Heavy preload.
NSK 30TAC72CSUHPN7C bearings have a larger number of balls and a 60° contact angle which can provide high axial rigidity and make these NSK bearings ideally suited for machine tool feeding mechanisms.
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