02475-02420 KOYO JTEKT 31.750x68.262x22.225 mm 02475/20 ลูกปืนล้อ ลูกปืน

02475-02420 KOYO JTEKT 31.750x68.262x22.225 mm 02475/20
02475-02420 KOYO JTEKT 31.750x68.262x22.225 mm 02475/20 ลูกปืนล้อ ลูกปืน
02475/20
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Print layout
Tapered roller bearings - Single-row - Inch series

Specifications
(Boundary dimensions ...etc)
d 31.750 mm
D 68.262 mm
T 22.225 mm
B 22.225 mm
C 17.462 mm
r(min.) 3.6 mm
r1(min.) 1.6 mm
Basic load ratings : Cr 63.7 kN
Basic load ratings : C0r 61.1 kN
Fatigue load limit : Cu 8.80 kN
Limiting speeds(Grease lub.) 6000 min-1
Limiting speeds(Oil lub.) 8000 min-1
Load center spread : a 17.1 mm
Constant :e 0.42
Axial load factors : Y1 1.44
Axial load factors : Y0 0.79
Mounting dimensions
da 44.5 mm
db 38.5 mm
Da 59.0 mm
Db 63.0 mm
ra(max.) 3.6 mm
rb(max.) 1.6 mm