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Single Row Steel Cylindrical Bearing

NU 311 ECJ

Single Row Steel Cylindrical Bearing
Item #100743017
  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 in Width
Single Row Steel Cylindrical Bearing
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  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 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
End Type Open End
Tolerance Normal (PN)
Inch/Metric Metric
Origin Cylindrical Radial
I.D. 55 mm
Dynamic Load Rating 31,000.00 lbf
Reference Speed 6000 rpm
Inner Ring Width 1.14 in, 29 mm
Bearing Type Radial
Capacity High Capacity
Static Load Rating 143 kN
Outer Ring Width 1.14 in, 29 mm
Oil Hole w/o Oil Hole
Cage Material Steel
Bore Type Round Bore
Material Steel
Width 29 mm
Enclosure Open
Radial Internal Clearance Group N
Precision Ground Yes
Rows of Balls Single
O.D. 120.0000 mm
Full Cage Description Pressed Steel Cage
No. of Ribs - Outer Ring 2
Radial Internal Clearance Specification Normal Clearance
Bearing Part Complete Bearing
Series 3
Cage Type Sheet Metal
Precision Rating ABEC 1
Static Load Rating [Max] 32,200.00 lbf
No. of Rows 1
Limiting Speed 7000 rpm
Heat Stabilization 302 °F
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Relubrication Feature Without
O.D. Type Cylindrical
Weight 3.331 LB
EAN or UPC 7316577034908
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