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In addition to the information provided on this page, consider what is provided under Deep groove ball bearings. For information on selecting the appropriate bearing for a given application, and interpreting the data on this page, refer to Bearing selection process. For general information on rolling bearings, refer to General
Principal dimensions, Basic load ratings, Fatigue load limit, Speed ratings, Designations. dynamic, static, Reference speed, Limiting speed, Bearing, Snap ring. d, D, B, C, C, C0, Pu. mm, kN, kN, r/min
2) For calculating the grease life of an SKF standard capped stainless steel deep groove ball bearing, please refer to the SKF Interactive Engineering Catalogue.. 225. 72. 3. 150 000. 90 000. 0,0004. W 617/4 X. 9. 2,5. 364. 114. 5. 140 000. 85 000. 0,0006. W 618/4. 10. 3. 553. 245. 11. 130 000. 80 000. 0,001. W 637/4 X.
Deep groove ball bearings are particularly versatile. They are suitable for high and very high speeds, accommodate radial and axial loads in both directions and require little maintenance. Because deep groove ball bearings are the most widely used bearing type, they are available from SKF in many designs, variants and
The requisite minimum radial load to be applied to SKF stainless steel deep groove ball bearings can be estimated using q n n w 2/3 q dm w 2 Frm = kr. Pu C0 N Speed ratings Reference Limiting speed speed Mass Designation N r/min kg – 0.5 2 4 5 5 6 6 7 7 1.005 W 617/4 W 617/4 X W 618/4 W 637/4 X W 619/4 W 604
d, 8, mm. D, 12, mm. B, 3.5, mm. d1, ≈, 9, mm. D2, ≈, 11.31, mm. r1,2, min. 0.1, mm. Abutment dimensions. da, min. 8.6, mm. da, max. 8.9, mm. Da, max. 11.5, mm. ra, max. 0.1, mm. Calculation data. Basic dynamic load rating, C, 0.312, kN. Basic static load rating, C0, 0.14, kN. Fatigue load limit, Pu, 0.006, kN. Reference