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- Super Precision Angular Contact Bearing
- 7900 Series
- Straight Bore - Metric
- 45 mm ID x 68 mm OD x 0.472" Wide
- Open Enclosure
description
- Super precision angular contact bearings are specifically designed for rigid, high speed, high precision machine tool spindles. Their state-of-the-art preload control ensures consistent high performance. Both standard and high speed ROBUST designs are available to meet the varied needs of the industry.
applications
- Machine tool spindles on:
- Lathes
- Boring machinery
- Grinders
- Machining centers
- Milling machines
- Slicing machines
- Drilling machines
- Gem-cutting machines
features
- Complies with RoHS restrictions on the use of certain hazardous substances in electrical and electronic equipment
| Material | Steel |
| Seal Material | None |
| Snap Ring | No Snap Ring |
| O.D. | 68.0000 mm |
| Outer Ring Width | 0.472 in |
| Enclosure | Open |
| Bore Type | Round Bore |
| Cage Material | Phenolic |
| Radial Internal Clearance Specification | Normal Clearance |
| Limiting Speed - Oil | 31000 rpm |
| Precision | Super Precision |
| Precision Level | Special Precision (P4Y) |
| Cage Type | Phenolic |
| Dynamic Load Rating | 3,590.00 lbf |
| I.D. | 45 mm |
| Seal Type | Unsealed |
| Capacity | Standard Capacity |
| O.D. Type | Straight |
| Inch/Metric | Metric Bore |
| Static Load Rating [Max] | 3,000.00 lbf |
| Lubricant | Oil Preservative |
| Contact Angle | 15° |
| Width | 12 mm |
| Preload Level | None |
| No. in Set | Single Bearing |
| Radial Internal Clearance | Normal |
| Ball Material | Steel |
| Limiting Speed - Grease | 20400 rpm |
| Rows of Balls | Single |
| Locking Device | No Locking Device |
| Bearing Type | Angular Contact |
| Weight | 0.564 LB |
| EAN or UPC | 29176588112 |
