NTN 7921DF bearing

105x145x20

received by NTN later than 13 months from the date of delivery. Within a reasonable time after such notification, NTN will, at its option, (a) correct any failure of the product to conform to drawings, specifications ... of bearings. NTN seal and shield type ball bearings are built to meet these trends. They simplify shaft design, are ...



Angular contact ball bearings 7921DF

Bearing number : 7921DF

Size (mm) : 105x145x20

Brand : NTN

Bore Diameter (mm) : 105

Outer Diameter (mm) : 145

Width (mm) : 20

Bearing dimensions and specification in NTN catalogue:

d - 105 mm

D - 145 mm

B - 20 mm

ra1 max. - 0,6 mm

Angle (α) - 25 °

a - 46 mm

r min. - 1,1 mm

r1 min. - 0,6 mm

2B - 40 mm

Da max. - 138 mm

db min - 112 mm

ra max. - 1 mm

Weight - 1,944 Kg

Basic dynamic load rating (C) - 79 kN

Basic static load rating (C0) - 109 kN

(Grease) Lubrication Speed - 3 500 r/min

(Oil) Lubrication Speed - 4 700 r/min

Bearing 7921DF

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