Bearings
B-21 AETNA Thrust ball bearings

TYPE: Ball bearings, Thrust ball bearing, Single direction, Separable, flat raceway, inch size
Bearing B-21 AETNA

Dimensions, mm

d
44,450
D
78,580
B
20,638

Weight, kg

0,454

Manufacturer:

AETNA

Interchange:

INA FT-21
ANDREWS FT-21
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