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31308

Description:
d(mm):40
D(mm):90
T(mm):25.25
quality(kg):0.722

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Single row tapered roller bearings compose of a outer ring and a inner ring with a group of conical roller sustained by basket shape cage. Outer and inner ring components can be separated, according to the rule of ISO conical roller bearing outline dimension standard,any conical roller bearing with standard model can be interchanged by it's inner or outer ring internationally.That's means the same model outer ring, except external dimension and tolerance should accord with ISO492 (GB307) regulation, Inner ring components of coning angle and component cone diameter and so on must comply with the relevant provisions of the exchange too.

 

Dimensions
(mm)
Basic load ratings
(kN)
Cone Cup Mass
(Kg)
Bearing No.
d D T Cr Cor B R C r (Approx.) DWR ISO 355
40 90 25.25 77.0 85.5 23 2 17 1.5 0.738 31308 T7FB040
55 120 31.5 132 154 29 2.5 21 2 1.59 31311 T7FB055
65 140 36 173 204 33 3 23 2.5 2.42 31313 T7GB065
70 150 38 193 229 35 3 25 2.5 2.92 31314 T7GB070
75 160 40 215 256 37 3 26 2.5 3.47 31315 T7GB075
80 170 42.5 236 283 39 3 27 2.5 4.11 31316 T7GB080
85 180 44.5 247 293 41 4 28 3 4.85 31317 T7GB085
90 190 46.5 270 320 43 4 30 3 5.66 31318 T7GB090
95 200 49.5 296 355 45 4 32 3 6.47 31319 T7GB095
100 215 56.5 355 435 51 4 35 3 8.67 31320 T7GB100

 

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