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Radial Cylindrical Roller Bearing

NJ 312 ECP

Radial Cylindrical Roller Bearing
Item #100743027
  • 2.36 in Inner Diameter
  • 5.12 in Outer Diameter
  • 1.22 in Width
Radial Cylindrical Roller Bearing
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  • 2.36 in Inner Diameter
  • 5.12 in Outer Diameter
  • 1.22 in Width

description

  • The EC design contains improvements in guiding surfaces of flanges and roller ends, which means that EC bearings have a high axial load-carrying capacity.

applications

  • Traction motors
  • Electric motors
  • Gearboxes

features

  • Improved roller-end-to-flange contact
  • Increased capacity

compliances

  • In accordance with ISO 15-1981
Outer Ring Width 1.22 in, 31 mm
Bearing Type Radial
Origin Cylindrical Radial
Inch/Metric Metric
Limiting Speed 5000 rpm
O.D. 130 mm
Precision Rating ABEC 1
No. of Rows 1
Radial Internal Clearance Group N
Limiting Speed - Grease 4300 rpm
Tolerance Normal (PN)
Limiting Speed - Oil 5000 rpm
Width 1.22 in, 31 mm
Series 3
Cage Type Non-Metallic
Bore Type Round Bore
No. of Ribs - Outer Ring 2
Static Load Rating [Max] 36000 lbf
Enclosure Open
O.D. Type Cylindrical
I.D. 60 mm
Cage Material Polyamide (Molded Nylon)
Bearing Part Complete Bearing
Bearing Design Removable Inner Ring – Flanged
Radial Internal Clearance Specification Normal Clearance
Relubrication Feature Without
No. of Ribs - Inner Ring 1
Full Cage Description Injection Molded Cage
Inner Ring Width 1.22 in, 31 mm
Precision Ground Yes
Capacity High Capacity
Material Steel
Rows of Balls Single
Dynamic Load Rating 34000 lbf
Oil Hole w/o Oil Hole
End Type Open End
Static Load Rating 160 kN
Heat Stabilization 302 °F
Weight 4.118 LB
EAN or UPC 7316577032249
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