Products Description
Deep groove ball bearings are one of the most common and widely used rolling bearings, widely used in various mechanical equipment due to their simple structure, strong load-bearing capacity, low friction coefficient, high speed, and easy maintenance.
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Technical Parameters
80 mm 170 mm 39 mm ≈108 mm ≈146.9 mm min.2.1 mm P6 and tighter width tolerance min.92 mm max.158 mm max.2 mm SKF Explorer 130 kN 86.5 kN 3.25 kN 8 500 r/min 5 300 r/min 0.03 13.3 20 µm 45 µm Normal
Dimensions
d Bore diameter tΔdmp -0.012 – 0 mm Deviation limits of mid-range bore diameter D Outside diameter tΔDmp -0.018 – 0 mm Deviation limits of mid-range outside diameter B Width tΔBs -0.1 – 0 mm Deviation limits of ring width d1 Shoulder diameter D2 Recess diameter r1,2 Chamfer dimension ISO tolerance class for dimensions 
Abutment dimensions
da Diameter of shaft abutment Da Diameter of housing abutment ra Radius of shaft or housing fillet Calculation data
SKF performance class Basic dynamic load rating C Basic static load rating C0 Fatigue load limit Pu Reference speed Limiting speed Minimum load factor kr Calculation factor f0 Tolerances of run-out
Range of section height at inner ring of assembled bearing tKia Range of section height at outer ring of assembled bearing tKea ISO tolerance class for geometrical tolerances
Tolerances and clearances
General bearing specifications
Tolerances: Normal (metric), P6, P5, Normal (inch)
Radial internal clearance: Classes C2 to C5
Bearing interfaces
Seat tolerances for standard conditions
Tolerances and resultant fits
