31324JR

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
120 mm
D
260 mm
T
68 mm
B
62 mm
C
42 mm
r(min.)
4 mm
r1(min.)
3 mm
Basic load ratings : Cr
657 kN
Basic load ratings : C0r
665 kN
Fatigue load limit : Cu
77.8 kN
Limiting speeds(Grease lub.)
1300 min-1
Limiting speeds(Oil lub.)
1800 min-1
Load center spread : a
81.9 mm
Constant e
0.83
Axial load factors : Y1
0.73
Axial load factors : Y0
0.40

Mounting dimensions

da(min.)
138 mm
db(max.)
145 mm
Da(max.)
246 mm
da(min.)
221 mm
db(min.)
244 mm
Sa(min.)
6 mm
Sb(min.)
21 mm
ra(max.)
3 mm
rb(max.)
2.5 mm

Refer.

(Refer.)Mass
15.4 kg

Technical calculation for this product.

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