Lubrication Enhancement
W - No Lubrication Groove or Holes
Seal
No Seal
Cage Type
M - Brass Cage
Radial Internal Play
C3 Internal Play (Higher than Cn)
Precision
Higher Running Acc. ISO Cl.5
Heat Stabilization
No Heat Stabilization - Temperatures up to 120 °C
Vibrating Screen Execution
Non Vibrating Screen Execution
Suffix description
MB1Single-Piece Solid Brass Cage, Guided On Central Rib
H157Combination Of H40 (Bearings Without Lubricating Groove And Holes; H40 Replaces Z26) And H40AC (Spherical Roller Bearing, Additionally With Lubrication Groove And 6 Lubrication Holes In The Inner Ring), Special Oil Injection Nozzles In The Inner Ring
T52BWHeightened Running Accuracy To ISO Tolerance Class 5
C3Internal Clearance Larger Than Normal
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