NTN - Large Bearings

Double Row Tapered Roller Bearings (Inside Direction)
Metric system sizes
C1
r
r1
B
D
d
a
d 180280mm
Boundary dimensions Basic load ratings Bearing numbers
dynamic static dynamic static
mm kN kgf
d D B C 1 r s min 1 r ls min
1
C r C or C r C or
180
190
195
200
220
240
241.300
259.5
260
260.350
270
280
300 96 96 3 4 885 1,530 90,500 156,000 323136E1
330 190 190 5 1.5 1,710 3,250 175,000 330,000 CRD-3615
290 75 75 2.5 3 615 1,110 63,000 113,000 323038E1
320 104 104 3 4 985 1,710 100,000 174,000 323138
305 120 120 2.5 3 1,130 2,200 115,000 225,000 CRD-3906
310 82 82 2.5 3 720 1,320 73,000 135,000 323040E1
340 112 112 3 4 1,090 1,910 111,000 195,000 323140
340 140 140 3 3 1,490 2,780 152,000 283,000 CRD-4019
340 150 150 3 1.5 1,290 2,490 131,000 254,000 CRD-4015
420 235 235 5 2 3,000 5,350 305,000 545,000 CRD-4020
320 76.2 76.2 2.5 2.5 630 1,220 64,500 125,000 CRD-4405
340 90 90 3 4 880 1,650 89,500 168,000 323044E1
370 120 120 4 5 1,220 2,260 125,000 230,000 323144
360 92 92 3 4 910 1,770 92,500 181,000 323048E1
395 124 124 4 4 1,400 2,630 143,000 268,000 CRD-4804
400 128 128 4 5 1,400 2,600 142,000 265,000 323148
400 160 160 4 4 1,770 3,550 181,000 360,000 CRD-4805
400 160 160 4 4 1,770 3,550 181,000 36,000 CRD-4811
355.524 109.538 109.538 3.3 1.57 940 2,010 96,000 205,000 CRD-4803
481 250 250 5 2 3,250 6,650 330,000 680,000 CRD-5215
400 104 104 4 5 1,150 2,190 117,000 223,000 323052
400 150 150 4 4 1,470 3,200 150,000 325,000 CRD-5212
440 144 144 4 5 1,960 3,750 200,000 380,000 323152
419.100 180.000 158.750 3.3 1.57 1,580 3,250 161,000 330,000 CRD-5217
395 94 94 3 4 1,090 2,290 111,000 233,000 CRD-5403
420 106 106 4 5 1,200 2,340 123,000 238,000 323056
460 146 146 5 6 1,940 3,650 198,000 375,000 323156
1 Minimum allowable dimension for chamfer dimension r or r1. 2 "" means the load center is out side the inner ring.
Remarks: 1. The marked "" bearings are inch system sizes. 2. Bearing numbers marked "" designate bearing with hollow rollers and pin type cages.
B-154