NNU4988 bearing

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Bearing NO.

Cylindrical bore :NNU4988

Tapered bore :NNU4988K

Boundary dimensions(mm)

d :440

D :600

B/C :160

r 1.2min :4

r3.4min :4

Basic load ratings(kN)

Cr :2050

Cor :5200

Limiting speed(rpm)

Speed Ratings :1300

Abutment and fillet dimensions(mm)

da max :484

Da max :584

ra max :3

rb max :3

Weight (kg)

Refer :130

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