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703263 / Gold Line Ball Bearing

NP-31C

703263 / Gold Line Ball Bearing
Item #101179557
  • Contact Seal Type
703263 / Gold Line Ball Bearing
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  • Contact Seal Type

description

  • Most widely used, normal-duty pillow block with high base-to-shaft centerline dimensions.

features

  • Powder coated epoxy cast iron housing with extended inner ring bearings
  • Zone hardened inner ring with 120° spacing setscrew locking with diamond faceted setscrews
  • Single lip contact seal
  • 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.
  • Sealmaster® exclusive lock pin & dimple for direct lubrication and anti-rotation
Inner Race Length (in) 2.031
Inner Race Heat Treat Method Zone-Hardened
Inch/Metric Inch
Bore Shape Straight
Speed [Max] 3550 rpm
Bolt Center Max (in) 6.5
Overall Height (in) 4.563
Locking Type Set Screws
Housing Material Cast Iron
Bolt Size 0.625 in
Platform Gold Line Ball Bearing
Bolt Center [Min] 6 in
Bearing Type Ball Bearing
Centerline to Front Face (in) 1.281
Replaceable Insert Yes
Expansion No
Retainer Type Land Riding
Misalignment Type Static Only
Bolt Center [Max] 6.5 in
Housing Construction One Piece
Bearing Insert Coating Black Oxide
Insert Material 52100 Bearing Steel, Black Oxided
Inner Race Length 2.031 in
Duty Series Standard
Pillow Block Type 2-Bolt
Lubrication Lithium Complex NLGI 2 Grease
Base Width 2.375 in
Overall Length (in) 8.125
Bore Size - Inch 1.938
Bore Size 1.938 in
Operating Temperature [Max] 220 °F
End Cap No
Inner Ring OD (in) 2.469
Inner Ring O.D. 2.469 in
Overall Height 4.563 in
Foot Height (in) 0.75
Internal Clearance Standard
Outer Ring Land Profile Standard
Overall Length 8.125 in
Base to Center Height 2.25 in
Housing Base Solid
Relubricatable Yes
Seal Type Single Lip Contact
Maximum Operating Temperature 220
Angle of Misalignment ±2°
Bolt Size (in) 0.625
Base Width (in) 2.375
Bolt Center Min (in) 6
Housing Color Gray
Insert No. 2-115C
Measure Units Inch
Foot Height 0.75 in
Centerline to Front Face 1.281 in
Weight 8.195 LB
EAN or UPC 662461020821
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