25880R/21

Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)

d
36.487 mm
D
73.025 mm
T
23.812 mm
B
24.608 mm
C
19.050 mm
r(min.)
1.6 mm
r1(min.)
0.8 mm
Basic load ratings : Cr
90.1 kN
Basic load ratings : C0r
87.3 kN
Fatigue load limit : Cu
13.1 kN
Limiting speeds(Grease lub.)
5600 min-1
Limiting speeds(Oil lub.)
7400 min-1
Load center spread : a
15.8 mm
Constant :e
0.29
Axial load factors : Y1
2.07
Axial load factors : Y0
1.14

Mounting dimensions

da
44.0 mm
db
42.0 mm
Da
65.0 mm
Db
68.0 mm
ra(max.)
1.6 mm
rb(max.)
0.8 mm

Refer.

(Refer.)Mass
0.459 kg

Technical calculation for this product.

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