SKF NNU 4880 K/W33 bearing Croatia

1.

Spherical roller bearings - 23268 CAK/W33

Free space on both sides of the bearing · Abutments for sealed 23268 CAK/W33 d2, ≈, 427, mm. D1, ≈, 528, mm. b, 22.3, mm. K, 12, mm. r1,2, min. 6, mm

2.

Cylindrical roller bearings, double row, super-precision

d, 120, mm. D, 165, mm. B, 45, mm. D1, 150.5, mm. F, 134.5, mm. b, 5.5, mm. K, 3, mm. r1,2, min. 1.1, mm. r3,4, min. 0.6, mm. s, max. 1.1, mm

3.

Designation system

The designations of SKF super-precision bearings follow a system that consists of a basic K = TN9 = SP = VR521 = NNU 49/500 B/SPC3W33X, where, NNU 49/500 = B = W33, Annular groove and three lubrication holes in the outer ring.