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KOYO 30205JR bearing

Bearing 30205JR

KOYO 30205JR, Size: 25x52x16.25. KOYO 30205JR are used in a wide variety of applications, suitable for high speeds and are robust in operation, and need little maintenance.

Tapered roller bearings 30205JR

Bearing number : 30205JR

Size (mm) : 25x52x16.25

Brand : KOYO

Bore Diameter (mm) : 25

Outer Diameter (mm) : 52

Width (mm) : 16,25

Bearing dimensions and specification in KOYO catalogue:

d - 25 mm

D - 52 mm

T - 16,25 mm

B - 15 mm

C - 13 mm

a - 12,9 mm

r min. - 1 mm

r2 min. - 1 mm

da min. - 30,5 mm

da max - 31 mm

Da min - 44 mm

Da max. - 46,5 mm

Db min. - 48 mm

ra max. - 1 mm

rb max. - 1 mm

Weight - 0,156 Kg

Basic dynamic load rating (C) - 31,5 kN

Basic static load rating (C0) - 33,7 kN

(Grease) Lubrication Speed - 7800 r/min

(Oil) Lubrication Speed - 10000 r/min

Calculation factor (e) - 0,37

Calculation factor (Y0) - 0,88

Calculation factor (Y1) - 1,6

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