Montage of Timken Bearing Products
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Timken® angular contact ball bearings are designed for combination radial and axial loading. Single-row bearings have high thrust capacity in one direction. Some single-row bearings are specifically designed for duplex mounting in sets for maximum performance.
Unit of Measure

Key Dimensions

Rows per Set

 N/A Duplex

Design Units

 N/A Metric

Bore (d)

 N/A 90 mm

O.D. (D)

 N/A 6.299 in160 mm
Dynamic Radial Load Rating - 1M Revs (C1)1 N/A 27800 lbf123700 N

Ball Type

 N/A STEEL

Cage Type

 N/A CR - Phenolic Outer Land Riding Cage

Cage Material

 N/A MBR Cage

Precision Rating

 N/A ISO P4S (ABEC 7/9)

Manufacturing Part Number

 N/A 3MM218WI DUM

World Part Number

 N/A 7218E-T-P4S-DUM

Preload

 N/A Medium

Other Dimensions

Bearing Width

 N/A 1.181 in30 mm

Total Width

 N/A 2.362 in60 mm

Contact Angle

 N/A 25 º
Max Shaft Fillet Radius2 N/A 0.079 in2.0 mm

Shaft Backing Shoulder Diameter

 N/A 4.050 in102.7 mm

Housing Backing Shoulder Diameter

 N/A 5.830 in148 mm

Ratings

Static Radial Load Rating (C0)

 N/A 20800 lbf92500 N

Limiting Speed - Grease

 N/A 8800 rpm

Limiting Speed - Oil

 N/A 16000 rpm

C1 ISO - Dynamic Radial Rating (per row)

 N/A 25300 lbf112000 N

Abutment and Fillet Dimensions

r - Outer Ring "To Clear" Radius3 N/A 0.079 in2 mm
  • 1 Based on 106 revolutions of calculated fatigue life.
  • 2 Maximum housing fillet radius that bearing corners will clear.
  • 3 Maximum shaft fillet radius that bearing corners will clear.