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21 Series


Boundary dimensions(mm) Basic load ratings(kN) Limiting speeds(rpm) Mass(Kg) Bearing Number
d D B rs min Cr Cor Grease Oil (Approx.) NO
40 90 23 1.5 88 90 3,200 4,900 0.705 21308
40 90 23 1.5 88 90 3,200 4,900 0.694 21308K
45 100 25 1.5 102 106 2,900 4,400 0.927 21309
45 100 25 1.5 102 106 2,900 4,400 0.912 21309K
50 110 27 2 118 127 2,600 4,000 1.21 21310
50 110 27 2 118 127 2,600 4,000 1.19 21310K
55 120 29 2 145 163 2,400 3,700 1.71 21311
55 120 29 2 145 163 2,400 3,700 1.69 21311K
60 130 31 2.1 167 191 2,200 3,400 2.1 21312
60 130 31 2.1 167 191 2,200 3,400 2.07 21312K
65 140 33 2.1 194 228 2,000 3,100 2.55 21313
65 140 33 2.1 194 228 2,000 3,100 2.51 21313K
70 150 35 2.1 220 262 1,900 2,900 3.18 21314
70 150 35 2.1 220 262 1,900 2,900 3.14 21314K
75 160 37 2.1 239 287 1,800 2,700 3.81 21315
75 160 37 2.1 239 287 1,800 2,700 3.76 21315K
80 170 39 2.1 260 315 1,700 2,500 4.53 21316
80 170 39 2.1 260 315 1,700 2,500 4.47 21316K
85 180 41 3 289 355 1,600 2,400 5.35 21317
85 180 41 3 289 355 1,600 2,400 5.28 21317K
90 190 43 3 320 400 1,500 2,300 6.3 21318
90 190 43 3 320 400 1,500 2,300 6.21 21318K
95 200 45 3 335 420 1,400 2,100 7.1 21319
95 200 45 3 335 420 1,400 2,100 7 21319K
100 215 47 3 370 465 1,300 2,000 8.89 21320
100 215 47 3 370 465 1,300 2,000 8.78 21320K
110 240 50 3 495 615 1,200 1,800 11.2 21322
110 240 50 3 495 615 1,200 1,800 11.1 21322K