Bearing NNU4921 (KOYO)

Cylindrical roller bearings NNU4921

Bearing number : NNU4921

Size (mm) : 105x145x40

Brand : KOYO

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 40

Bearing dimensions and specification in KOYO catalogue:

d - 105 mm

Fw - 118 mm

D - 145 mm

B - 40 mm

C - 40 mm

r min. - 1,1 mm

da min. - 111,5 mm

da max - 116 mm

Da max. - 138,5 mm

db min - 120 mm

ra max. - 1 mm

Weight - 2 Kg

Basic dynamic load rating (C) - 157 kN

Basic static load rating (C0) - 306 kN

(Grease) Lubrication Speed - 3900 r/min

(Oil) Lubrication Speed - 4600 r/min

Designation

Bore Dia, mm

Outer Dia, mm: