Bearing NNU 4921 BK/SPW33 (SKF)

Cylindrical roller bearings NNU 4921 BK/SPW33

Bearing number : NNU 4921 BK/SPW33

Size (mm) : 105x145x40

Brand : SKF

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 40

Bearing dimensions and specification in SKF catalogue:

d - 105 mm

D - 145 mm

B - 40 mm

C - 40 mm

b - 5,5 mm

r1 min. - 1,1 mm

r2 min. - 1,1 mm

r3 min. - 0,6 mm

r4 min. - 0,6 mm

D1 - 130,8 mm

F - 118 mm

K - 3 mm

da min. - 111 mm

da max - 116 mm

Da max. - 138,5 mm

db min - 121 mm

ra max. - 1 mm

S - 1,1 mm

dh - 119 mm

Weight - 2 Kg

Basic dynamic load rating (C) - 130 kN

Basic static load rating (C0) - 260 kN

(Grease) Lubrication Speed - 5 300 r/min

(Oil) Lubrication Speed - 6 000 r/min

Fatigue load limit (Pu) - 30

Designation

Bore Dia, mm

Outer Dia, mm: