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