28678/22

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
50.800 mm
D
97.630 mm
T
24.608 mm
B
24.608 mm
C
19.446 mm
r(min.)
3.6 mm
r1(min.)
0.8 mm
Basic load ratings : Cr
113 kN
Basic load ratings : C0r
131 kN
Fatigue load limit : Cu
19.7 kN
Limiting speeds(Grease lub.)
3900 min-1
Limiting speeds(Oil lub.)
5200 min-1
Load center spread : a
21.2 mm
Constant :e
0.40
Axial load factors : Y1
1.49
Axial load factors : Y0
0.82

Mounting dimensions

da
65.0 mm
db
58.0 mm
Da
88.0 mm
Db
92.0 mm
ra(max.)
3.6 mm
rb(max.)
0.8 mm

Refer.

(Refer.)Mass
0.835 kg

Technical calculation for this product.

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