Radial Spherical Plain Bearings requiring maintenance
  • S...PB, special bearing + bush, three pieces, 3-30mm
  • S...PB, special bearing + bush, three pieces, 3-30mm
  • S...PB, special bearing + bush, three pieces, 3-30mm
  • S...PB, special bearing + bush, three pieces, 3-30mm
S...PB, special bearing + bush, three pieces, 3-30mm

This spherical bearing unit is made of G..PB spherical bearing and steel bushing.

  • Description
  • Specification
  • Application
  • Cross No.
S...PB is made of spherical bearing G..PB and steel sleeve

Ball: bearing steel 52100, hardened, ground and polished

Outer ring: bronze, formed around the inner ring, outside diameter ground, with a lubrication groove and two lubrication holes

Steel sleeve(bushing):free-cutting steel, outside diameter ground. Spherical bearing is pressed into the outer steel bushing and secured at both sides against axial movement.However the two outer ringsshould be axial supported at mounting.

Special version: are avaiable on request 
--Sliding face of inner ring 5 mm to 10 mm hard chromium plated.
--Outer case made of stainless steel.
Part  d D B C dK Weight
Number Inside Outside Inner Ring Outer Ring Spherical  
  Diameter Diameter Width Width Diameter kg
S3PB 3 12 6 4.5 7.9 0.005
S5PB 5 16 8 6 11.112 0.009
S6PB 6 18 9 6.75 12.7 0.013
S8PB 8 22 12 9 15.875 0.024
S10PB 10 26 14 10.5 19.05 0.04
S12PB 12 30 16 12 22.225 0.08
S14PB 14 34 19 13.5 25.4 0.11
S16PB 16 38 21 15 28.575 0.13
S18PB 18 42 23 16.5 31.75 0.17
S20PB 20 46 25 18 34.925 0.23
S22PB 22 50 28 20 38.1 0.28
S25PB 25 56 31 22 42.86 0.39
S30PB 30 66 37 25 50.8 0.61

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