Page 118 of Angular Contact Ball Bearings for Radial Loads by NTN Corporation Japan

main spindle bearings sealed standard angular contact ball bearings ceramic ball type 5s-79 llb series contact angle 25° d 10 50mm brrr1 r d d1 d d1 a part number boundary dimensions mm d d 22 24 28 30 37 42 47 55 62 68 72 b 6 6 7 7 9 9 9 10 12 12 12 rs min1 r1s min1 0.3 0.3 0.3 0.3 0.3 0.3 0.3 0.6 0.6 0.6 0.6 0.15 0.15 0.15 0.15 0.15 0.15 0.15 0.3 0.3 0.3 0.3 basic load ratings dynamic static dynamic static kn kgf cr 2.88 3.20 4.80 5.00 6.95 7.75 8.15 11.1 16.7 17.6 15.0 cor 1.01 1.23 1.90 2.09 3.00 3.80 4.35 6.25 9.05 10.3 9.60 cr 294 325 490 510 710 790 830 1 130 1 700 1 790 1 530 cor 103 125 193 213 310 385 445 635 925 1 050 980 static axial load capacity kn kgf limiting speed min-1 grease lubrication 79 700 70 800 59 300 54 300 44 700 38 100 33 100 28 300 25 000 21 400 20 000 5s-7900adllb 5s-7901adllb 5s-7902adllb 5s-7903adllb 5s-7904adllb 5s-7905adllb 5s-7906adllb 5s-7907adllb 5s-7908adllb 5s-7909adllb 5s-7910adllb 10 12 15 17 20 25 30 35 40 45 50 1.52 1.86 2.86 3.15 4.55 5.75 6.60 9.45 13.7 15.6 14.6 155 189 292 320 465 585 670 965 1 400 1 590 1 490 1 minimum allowable value for corner radius dimension r or r1 172

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