Drawn cup needle roller bearing with retainer -> BA
structure
Shaft
Diameter 		Bearing Designation Mass
Approx 		Boundary Dimensions Basi cLoad Rating Limiting Speed
Current Code Original Code Fw D C Dynamic Static Oil
mm g mm N rpm
6.35 BA 44ZOH ? 2.1 6.35 11.112 6.35 150 110 55000
BA 47ZOH ? 3.5 6.35 11.112 11.13 270 240 55000
7.938 BA 55ZOH ? 3 7.938 12.7 7.92 190 160 45000
BA 57ZOH ? 4.3 7.938 12.7 11.13 340 330 45000
9.525 BA 66 ? 4.2 9.525 14.288 9.525 320 310 40000
BA 66ZOH ? 4.2 9.525 14.288 9.52 320 310 40000
BA 68 ? 5.7 9.525 14.288 12.7 430 470 40000
BA 610Z ? 7 9.525 14.288 15.88 580 680 40000
12.7 BA 88ZOH ? 7.2 12.7 17.462 12.7 480 580 30000
BA 810 ? 8.9 12.7 17.462 15.88 650 850 30000
BA 810ZOH ? 8.9 12.7 17.462 15.88 650 850 30000
BA 812ZOH ? 10.6 12.7 17.462 19.05 800 1120 30000
14.288 BA 910ZOH ? 9.9 14.288 19.05 15.88 720 1010 30000
15.875 BA 105Z ? 5.3 15.875 20.638 7.94 290 330 25000
BA 107ZOH ? 7.6 15.875 20.638 11.11 510 680 25000
BA 108ZOH ? 8.7 15.875 20.638 12.7 550 740 25000
BA 1010ZOH ? 10.8 15.875 20.638 15.88 750 1100 25000
BA 1012Z ? 12.9 15.875 20.638 19.05 920 1430 25000
17.462 BA 118ZX ? 9.5 17.462 22.225 12.7 630 900 25000
19.05 BA 126ZOH ? 10 19.05 25.4 9.52 510 600 20000
BA 128 ? 13.5 19.05 25.4 12.7 700 890 20000
BA l28ZOH ? 13.5 19.05 25.4 12.7 700 890 20000
BA 1210 ? 17 19.05 25.4 15.88 970 1350 20000
BA 1210ZOH ? 17 19.05 25.4 15.88 970 1350 20000
BA 1212ZOH ? 20.5 19.05 25.4 19.05 1220 1800 20000
22.225 BA 146ZOH ? 11.5 22.225 28.575 9.52 550 690 18000
BA 148ZOH ? 15.6 22.225 28.575 12.7 760 1080 18000
BA 1412ZOH ? 23.5 22.225 28.575 19.05 1310 2080 18000
BA 1416ZOH ? 31 22.225 28.575 25.4 1790 3110 18000
25.4 BA 1612 ? 26.5 25.4 31.75 19.05 1450 2470 15000
BA 1612ZOH ? 26.5 25.4 31.75 19.05 1450 2470 15000
BA 1616 ? 35.5 25.4 31.75 25.4 1980 3700 15000
BA 1616ZOH ? 35.5 25.4 31.75 25.4 1980 3700 15000
28.575 BA 188 ? 19.5 28.575 34.925 12.7 880 1360 13000
BA 1816Z ? 39 28.575 34.925 25.4 2090 4110 13000
BA 1816 ? 39 28.575 34.925 25.4 2090 4110 13000
30.162 BA 1916ZOH ? 52 30.162 38.1 25.4 2630 4620 12000
31.75 BA 2012 ? 32.5 31.75 38.1 19.05 1600 3020 12000
BA 2012ZOH ? 32.5 31.75 38.1 19.05 1600 3020 12000
31.75 BA 2016ZOH ? 43 31.75 38.1 25.4 2190 4520 12000
BA 2020 ? 53.5 31.75 38.1 31.75 2750 6040 12000
BA 2020ZOH ? 53.5 31.75 38.1 31.75 2750 6040 12000
34.525 BA 2216ZOH ? 47.5 34.925 41.275 25.4 2350 5120 10000
38.1 BA 2420 ? 97.5 38.1 47.625 31.75 3980 7570 9000
BA 2420ZOH ? 97.5 38.1 47.625 31.75 3980 7570 9000
41.275 BA 2610 ? 52 41.275 50.8 15.88 1930 3060 8000
BA 2620ZOH ? 105 41.275 50.8 31.75 4220 8370 8000
44.45 BA 2812ZOH ? 67.5 44.45 53.975 19.05 2570 4540 7500
BA 2816ZOH ? 91 44.45 53.975 25.4 3540 6870 7500
50.8 BA 3216ZOH ? 104 50.8 60.325 25.4 3780 7800 6000
9.525 BAM 66K ? ? 9.525 14.288 10.5 ? ? ?
BAM 66 ? 4.6 9.525 14.2875 9.525 320 310 40000
12.7 BAM 812 ? 11.3 12.7 17.462 19.05 800 1120 30000