Rings

Inner and outer rings

  • Material

Rolling bearing steel (chromium steel) 100Cr6, material no. 1.3505, SAE 52100, SUJ2

Special steels available upon request

  • Allowable operating temperature

Heat-stabilized up to a continuous operating temperature of 150°C (briefly up to 180°C)

  • Hardness

60 to 64 HRC, through-hardened; corresponds to 700–800 HV30 Properties

High purity and homogeneity, vacuum degassed

Innenring_Kugellager_550x550
inner ring 
Außenring_Kugellager_550x550
Outer ring 

bearing air

The distance by which one bearing ring can be moved relative to the other from one end position to the other without applying a load
is defined as bearing clearance.

  • Radial bearing clearance: Shift in the radial direction
  • Axial bearing clearance: Shift in the axial direction
Lagerluft_1b_Kugellager_550x550
radial bearing clearance 
Lagerluft_2b_Kugellager_550x550
Axial clearance 
Lagerluft_3_Kugellager_1220

GMN Deep Groove Ball Bearings: Radial clearance (per DIN 620/Part 4) – Deep groove ball bearings without specified clearance are manufactured with CN (normal clearance).