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Black Oxide Coated Set Screw Lock Ball Bearing Insert

ERX-31RL

Black Oxide Coated Set Screw Lock Ball Bearing Insert
Item #101178471
  • Set Screw Locking Type
  • 2.031 in Overall Width
  • Standard Duty Series
Black Oxide Coated Set Screw Lock Ball Bearing Insert
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    Shipment Options
  • Set Screw Locking Type
  • 2.031 in Overall Width
  • Standard Duty Series

description

  • Ball bearing can be re-lubricated without any further modifications to the external housing.

applications

  • Ink rollers
  • Plate cylinders
  • Dampening rollers
  • Blanket cylinders
  • Forming rollers
  • Collecting cylinders
  • Calendar rollers
  • Nip roll
  • Live rolls

features

  • ER style cylindrical OD bearing with snap and with black oxided bearing rings
  • Exclusive inner ring with lubrication fitting allowing for relubrication without need for special housing machining
  • Zone hardened inner ring with 120° spacing setscrew lock with diamond faceted setscrews
  • Felt labyrinth seal and flinger for dry & dusty environment
  • Unique land riding retainer design provides superior pocket clearance that allows for 360° grease circulation around the rolling elements resulting in better retained and utilized lubrication.

caution

  • Intended to be used on stationary shafting only.

options

  • Inner Race Relubricatable
Measure Units Inch
O.D. Type Cylindrical w/ Snap Ring
Platform Gold Line Ball Bearing
Relubricatable Yes
Inner Ring OD (in) 2.469
Bearing Type Ball Bearing
Outer Race OD 3.543 in
Insert Material 52100 Bearing Steel, Black Oxided
Duty Standard-Duty
Overall Width (in) 2.031
Bore Size - Inch 1.938
O.D. 90 mm
Radius 0.062
Inner Race Length (in) 2.031
Bore Shape Straight
Radial Dynamic Load Capacity (lb) 7889
Locking Type Set Screws
Locking Device Double Setscrew Locking Collar
Retainer Type Land Riding
Centerline to Front Face (in) 1.281
Bore Size 1.938 in
Inch/Metric Inch Bore
Inner Race Heat Treat Method Zone-Hardened
Overall Width 2.031 in
Outer Race Width 1.125 in
Seal Type Felt Labyrinth
Outer Race OD (in) 3.543
Bore Type Round Bore
Bearing Design Non-Expansion
Lubrication Lithium Complex NLGI 2 Grease
Outer Race O.D. 3.543 in
I.D. 1.9375 in
Duty Series Standard
Series ERX
Inner Ring O.D. 2.469 in
Radial Static Load Capacity (lb) 5216
Maximum Operating Temperature 220
Operating Temperature [Max] 220 °F
Enclosure Double Sealed
Outer Ring Land Profile Tapered
Internal Clearance Standard
Bearing Insert Coating Black Oxide
Cage Material Brass
Speed [Max] 3550 rpm
Inner Race Length 2.031 in
Outer Race Width (in) 1.125
Misalignment Type Static Only
Rolling Element Ball Bearing
Expansion No
Centerline to Front Face 1.281 in
Radial Dynamic Load Capacity 7889 lb
End Cap No
Precision Rating ABEC 1
Weight 2.43 LB
EAN or UPC 662461259696
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