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ER Series Bearing

Item #100000303
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Product details

  • 1 7/16" ID x 2.83465" OD x 1 11/16" Wide
  • Setscrew Locking Collar
  • Light Contact Felt Seals
  • Lithium Complex Grease Lubrication


  • Designed to be mounted in a customer's housing.


  • Patented, felt-lined flinger seal
  • 120° setscrew position
  • Precision-ground, diamond-faceted setscrews
  • Unique metal land riding retainer
  • Zone-hardened inner race
  • Permanent metal nameplate
  • Black oxide, corrosion-resistant race
  • Differentiated lubrication and sealing system
  • Superior shaft stability
  • 52100 high quality bearing steel
  • Exclusive locking pin and dimple system
  • Extra wide inner and outer race


Inch/Metric Inch Bore
Bore Type Round Bore
I.D. 1 7/16 in
O.D. 2.83465 in
Width 1 11/16 in
Enclosure Double Sealed
Rows of Balls Single
Material Steel
O.D. Type Straight w/ Snap Ring
Bearing Type Radial
Precision Standard
Radial Internal Clearance Specification Normal Clearance
Preload Level None
Precision Level Standard (ABEC 1)
Contact Angle
Capacity Standard Capacity
Cage Type Brass
Seal Type Light Contact Seals
Seal Material Felt
Outer Ring Width 15/16 in
Ball Material Steel
Snap Ring With Snap Ring
Pre Lubricant Lithium Complex
Snap Ring O.D. 3 5/64 in
Lubricant Lithium Complex Grease
Seal O.D. 2 17/32 in
Radial Internal Clearance Normal
Inner Ring Width 1 11/16 in
Fillet Radius 0.04 in
No. in Set Single Bearing
Inner Ring O.D. 1 55/64 in
Shaft Tolerance +0.0000 in / -0.0005 in
Locking Device Setscrew Locking Collar
Snap Ring Offset 1/8 in
Origin Wide Inner Ring
Catalog Order Number MA100000303
Weight 1.25 LB
Package Quantity 1.0 Piece
EAN or UPC 662461008652
NSN Number 3110-00-114-9496

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