Consolidated Bearings

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MR-56-N

NEEDLE BEARINGS - CAGE TYPE - WITHOUT INNER RACE (INCH)
Dimensions (inch)F3.5
D4.5
B1.75
Approx. Wgt. lbs2.88
Appropriate Inner RaceMI-48-N
InterchangeIKO-
INA-
McGillMR-56-N
RBCSJ9607
Torrington-
MR-56-N diagram one
  1. For applications where the bearing is run directly on the shaft, no inner race is required. The shaft hardness should be 60 Rockwell C scale.
  2. Lubrication - Outer races have an external centered oil groove and one oil hole. Inner races have an internal centered oil groove and one oil hole.
  3. Material - Outer races, inner races and rollers are made from 52100 steel and hardened to Rockwell hardness 60-64 RC. These bearings are equipped with stamped steel cages.