SKF 21307CCK H307 bearing

30x80x21

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Spherical roller bearings, on an adapter sleeve 21307 CCK + H 307

Bearing number : 21307 CCK + H 307

Size (mm) : 30x80x21

Brand : SKF

Bore Diameter (mm) : 30

Outer Diameter (mm) : 80

Width (mm) : 21

Bearing dimensions and specification in SKF catalogue:

d1 - 30 mm

D - 80 mm

B - 21 mm

d2 - - 47.2 mm

d3 - 52 mm

D1 - - 65.6 mm

B1 - 35 mm

B4 - 9 mm

r1,2 - min. - 1.5 mm

da - max. - 47 mm

db - min. - 39 mm

Da - max. - 71 mm

Ba - min. - 7 mm

ra - max. - 1.5 mm

Basic dynamic load rating - C - 79.2 kN

Basic static load rating - C0 - 72 kN

Fatigue load limit - Pu - 8.2 kN

Reference speed - 7300 r/min

Limiting speed - 9500 r/min

Calculation factor - e - 0.28

Calculation factor - Y1 - 2.4

Calculation factor - Y2 - 3.6

Calculation factor - Y0 - 2.5

Bearing 21307 CCK + H 307 Bearing 21307 CCK + H 307

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