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NSK Corp.
7208CTRDULP4Y
Straight Bore Spindle & Precision Machine Tool Angular Contact Bearing
Item #101711380
- 1.575 in Inner Diameter
- 3.149 in Outer Diameter
- Super Precision
- 1.417 in Overall Width
- Cylindrical OD
applications
- High speed grinding
- High speed boring and milling
- Precision vertical and horizontal milling spindles
- High speed routing
features
- ABEC 9/ISO P2 axial running tolerances for higher accuracy
- Non-critical features manufactured to ABEC 7/ISO P4 tolerances for cost effectiveness
- 15 degree initial contact angle for high degree of rigidity in both axial and radial directions and low operating temperatures
- Clean steel supports longer service life
| Radial Internal Clearance Specification | Normal Clearance |
| Preload Amount | 30 lbf |
| Inner Ring Width | 18 mm |
| Cage Type | Machined Window |
| Universally (Flush) Ground | Yes |
| Bore Type | Round Bore, Metric Type |
| Ball Material | Steel |
| Inch/Metric | Metric |
| Limiting Speed - Oil | 26200 rpm |
| Dynamic Load Rating | 9,300.00 lbf |
| No. of Rows | 2 |
| Bearing Type | Single Row Angular Contact |
| Preload Level | Light |
| I.D. | 40 mm |
| Material | Steel |
| Static Load Rating [Max] | 5,340.00 lbf |
| Fillet Radius | 0.039 in |
| Outer Ring Width | 18 mm |
| Contact Angle | 15° |
| Bearing Material | Steel |
| Seal Type | Unsealed |
| Seal Material | None |
| Lubricant | Oil Preservative |
| Precision Level | Extra Precision (ABEC 7) |
| No. in Set | Duplex Set |
| O.D. | 80.0000 mm |
| Bearing Arrangement | Universal |
| Cage Material | Phenolic |
| Limiting Speed - Grease | 15400 rpm |
| Enclosure | Open |
| Filling Slot | No |
| O.D. Type | Straight |
| Rolling Element Material | Steel |
| Origin | Single Row Angular Contact |
| Relubricatable | No |
| Fillet Radius Cone | 0.043 in, 1.09 mm |
| Precision Class | ABEC Class 7/9 |
| Overall Width | 1.417 in, 36 mm |
| Rolling Element | Ball |
| Closure Type | Open |
| Weight | 1.6 LB |
| EAN or UPC | 87796070349 |
