GRW High Precision Ball Bearings
Open extended inner ball bearings – metric
High precision ball bearings in grades up to ABEC 9 with bores from 1 to 30mm and comparable inch dimensions
General Information
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DEEP GROOVE OPEN EXTENDED INNER RING BALL BEARINGS
Metric Series
| Bore Ø (d) | Outer Ø (D) | Flange Ø (FD) | Open Width (B) | Open Flange Width (FB) | Radius (rs – min) (2) | Open Ext Inner Ring Part No | Shield Width (B1) | Load Rating Cr(N) | Load Rating Cor(N) | Limiting Speed (6) Nur (x 1000 rpm) | Ball Comple ment Qty.: Z (5) | Ball Comple ment Size: Dw |
| 1.5 | 4 | 5 | 1.2 | 0.4 | 0.05 | E68/1.5 | 2 | 163 | 44 | 113 | 6 | 0.794 |
| 2 | 5 | 6.1 | 1.5 | 0.5 | 0.08 | E682 | 2.3 | 192 | 59 | 90 | 7 | 0.794 |
| 2 | 6 | 7.5 | 2.3 | 0.6 | 0.15 | E692 | 3.1 | 286 | 90 | 91 | 7 | 1 |
| 2.5 | 6 | 7.1 | 1.8 | 0.5 | 0.08 | E68/2.5 | 2.6 | 289 | 92 | 81 | 7 | 1 |
| 2.5 | 7 | 8.5 | 2.5 | 0.7 | 0.15 | E69/2.5 | 3.3 | 432 | 149 | 71 | 8 | 1.191 |
| 2.5 | 8 | 2.8 | 0.15 | E60/2.5 | 3.6 | 432 | 149 | 81 | 8 | 1.191 | ||
| 3 | 7 | 8.1 | 2 | 0.5 | 0.1 | E683 | 2.8 | 432 | 149 | 71 | 8 | 1.191 |
| 3 | 8 | 9.5 | 3 | 0.7 | 0.15 | E693 | 3.8 | 644 | 215 | 67 | 7 | 1.588 |
| 3 | 10 | 11.5 | 4 | 1 | 0.15 | E623 | 4.8 | 725 | 265 | 62 | 8 | 1.588 |
| 4 | 9 | 10.3 | 3.3 | 0.6 | 0.1 | E684 | 3.3 | 658 | 226 | 62 | 7 | 1.588 |
| 4 | 11 | 12.5 | 4 | 1 | 0.15 | E694 | 4.8 | 730 | 271 | 66 | 8 | 1.588 |
| 4 | 12 | 13.5 | 4 | 1 | 0.15 | E604 | 4.8 | 734 | 282 | 56 | 8 | 1.588 |
| 4 | 13 | 15 | 5 | 1 | 0.2 | E624 | 5.8 | 1.339 | 488 | 52 | 7 | 2.381 |
| 4 | 16 | 18 | 5 | 1 | 0.3 | E634 | 5.8 | 1.646 | 663 | 39 | 8 | 2.5 |
| 5 | 11 | 12.5 | 3 | 0.8 | 0.15 | E685 | 3.8 | 734 | 282 | 52 | 8 | 1.588 |
| 5 | 13 | 15 | 4 | 1 | 0.2 | E695 | 4.8 | 851 | 366 | 49 | 10 | 1.588 |
| 5 | 14 | 16 | 5 | 1 | 0.2 | E605 | 5.8 | 1.096 | 437 | 50 | 8 | 1.984 |
| 5 | 16 | 18 | 5 | 1 | 0.3 | E625 | 5.8 | 1.646 | 663 | 40 | 8 | 2.5 |
| 5 | 19 | 22 | 6 | 1.5 | 0.3 | E635 | 6.8 | 2.522 | 1.057 | 33 | 8 | 3.175 |
| 6 | 13 | 15 | 3.5 | 1 | 0.15 | E686 | 4.3 | 1.096 | 437 | 44 | 8 | 1.984 |
| 6 | 15 | 17 | 5 | 1.2 | 0.2 | E696 | 5.8 | 1.186 | 505 | 46 | 9 | 1.984 |
| 6 | 19 | 22 | 6 | 1.5 | 0.3 | E626 | 6.8 | 2.522 | 1.057 | 34 | 8 | 3.175 |
| 7 | 14 | 16 | 3.5 | 1 | 0.15 | E687 | 4.3 | 1.186 | 505 | 41 | 9 | 1.984 |
| 7 | 17 | 19 | 5 | 1.2 | 0.3 | E697 | 5.8 | 1.795 | 776 | 39 | 9 | 2.5 |
| 7 | 19 | 22 | 6 | 1.5 | 0.3 | E607 | 6.8 | 2.522 | 1.057 | 38 | 8 | 3.175 |
| 8 | 16 | 18 | 4 | 1 | 0.2 | E688 | 4.8 | 1.795 | 776 | 38 | 9 | 2.5 |
| 8 | 19 | 22 | 6 | 1.5 | 0.3 | E698 | 6.8 | 1.798 | 797 | 40 | 9 | 2.5 |
| 8 | 22 | 25 | 7 | 1.5 | 0.3 | E608 | 3.369 | 1.363 | 38 | 7 | 3.969 | |
| 9 | 17 | 19 | 4 | 1 | 0.2 | E689 | 4.8 | 1.798 | 797 | 34 | 9 | 2.5 |
| 10 | 19 | 21 | 5 | 1 | 0.3 | E6800 | 5.8 | 1.922 | 915 | 34 | 10 | 2.5 |
- Ball bearings without closure may be supplied with recesses. Please advise if you require bearings without recesses.
- rs min = minimum single bearing chamfer or maximum shaft or housing fillet radius.
- Not applicable to bearings with extended inner ring.
- Not applicable to flanged bearings.
- The number of balls may vary due to different types of retainer.
- See ‘Limiting Speeds’.
- Tolerance of bore +12µm to +3µm.
- Available in different width with closure.
