Ball and Roller Bearing Catalog, 2202

Page 298

● Double Row Tapered Roller Bearings Back-to-back arrangement B1 C r1 r

φD

φd

a

d 200 ∼ 340mm Boundary dimensions

Basic load ratings static dynamic

dynamic mm d

rs min1)

D

B1

310 310 340 340 360 360 360

82 103 112 140 142 218 218

73 82 100 112 110 174 174

3 3 4 4 5 5 4

220

340 340 370 370

90 113 120 150

80 90 107 120

240

360 360 400 400

92 115 128 160

260

400 400 440 440

r1s min1)

min-1

kgf

Cr

Cor

1 1 1.5 1.5 1.5 1.5 1.5

530 720 965 1 090 1 350 2 260 1 980

4 4 5 5

1.5 1.5 1.5 1.5

82 92 114 128

4 4 5 5

104 130 144 180

92 104 128 144

280

420 420 460 460

106 133 146 183

300

460 460 500 500

grease

oil

Cr

Cor

940 1 320 1 660 1 910 2 210 4 250 3 950

54 000 73 000 98 500 111 000 137 000 230 000 201 000

96 000 135 000 169 000 195 000 226 000 435 000 400 000

900 900 840 840 800 800 800

1 200 1 200 1 100 1 100 1 100 1 100 1 100

595 880 1 110 1 220

1 060 1 650 1 920 2 260

61 000 89 500 113 000 125 000

108 000 168 000 196 000 230 000

810 810 760 760

1 100 1 100 1 000 1 000

1.5 1.5 1.5 1.5

655 910 1 230 1 400

1 160 1 770 2 130 2 600

66 500 92 500 126 000 142 000

118 000 181 000 217 000 265 000

730 730 690 690

980 980 920 920

5 5 5 5

1.5 1.5 1.5 1.5

840 1 150 1 500 1 940

1 540 2 190 2 630 3 750

85 500 117 000 152 000 198 000

157 000 223 000 268 000 380 000

670 670 630 630

900 900 840 840

94 106 130 146

5 5 6 6

1.5 1.5 2 2

890 1 200 1 640 1 960

1 630 2 340 2 900 3 650

91 000 123 000 167 000 200 000

166 000 238 000 296 000 375 000

620 620 580 580

820 820 770 770

118 148 160 200

105 118 142 160

5 5 6 6

1.5 1.5 2 2

1 070 1 610 2 010 2 100

1 990 3 150 3 600 4 050

109 000 165 000 205 000 214 000

203 000 320 000 370 000 415 000

570 570 530 530

760 760 710 710

320

480 480 540 540

121 151 176 220

108 121 157 176

5 5 6 6

1.5 1.5 2 2

1 190 1 580 2 240 2 500

2 250 3 100 4 100 4 900

121 000 162 000 228 000 255 000

229 000 315 000 415 000 500 000

530 530 500 500

710 710 660 660

340

520

133

118

6

2

1 480

2 870

150 000

293 000

500

660

200

C

kN

Limiting speeds static

1)Minimum allowable dimension for chamfer dimension r or r1. Note: 1. When incorporating bearings with bearing numbers marked with " * ", please consult NTN Engineering.

B-192


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