30209JR

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
45 mm
D
85 mm
T
20.75 mm
B
19 mm
C
16 mm
r(min.)
1.5 mm
r1(min.)
1.5 mm
Basic load ratings : Cr
83.9 kN
Basic load ratings : C0r
77.4 kN
Fatigue load limit : Cu
11.6 kN
Limiting speeds(Grease lub.)
4600 min-1
Limiting speeds(Oil lub.)
6100 min-1
Load center spread : a
18.9 mm
Constant e
0.40
Axial load factors : Y1
1.48
Axial load factors : Y0
0.81

Mounting dimensions

da(min.)
53.5 mm
db(max.)
54 mm
Da(max.)
76.5 mm
Da(min.)
74 mm
Db(min.)
80 mm
Sa(min.)
3 mm
Sb(min.)
4.5 mm
ra(max.)
1.5 mm
rb(max.)
1.5 mm

Refer.

(Refer.)Mass
0.502 kg

Technical calculation for this product.

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