30304AC

Tapered roller bearings - Single-row - Metric series

Specifications
(Boundary dimensions ...etc)

d
20 mm
D
52 mm
T
16.25 mm
B
16 mm
C
12 mm
r(min.)
1.5 mm
r1(min.)
1.5 mm
Basic load ratings : Cr
43.3 kN
Basic load ratings : C0r
28.4 kN
Fatigue load limit : Cu
4.65 kN
Limiting speeds(Grease lub.)
8300 min-1
Limiting speeds(Oil lub.)
11000 min-1
Load center spread : a
13.5 mm
Constant e
0.55
Axial load factors : Y1
1.10
Axial load factors : Y0
0.60

Mounting dimensions

da(min.)
28.5 mm
db(max.)
28 mm
Da(max.)
43.5 mm
Da(min.)
42 mm
Db(min.)
49 mm
Sa(min.)
4 mm
Sb(min.)
4 mm
ra(max.)
1.5 mm
rb(max.)
1.5 mm

Refer.

(Refer.)Mass
0.170 kg

Technical calculation for this product.

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