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