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