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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
Origin Cylindrical Radial
Radial Internal Clearance Specification Normal Clearance
O.D. Type Cylindrical
Row Type 1
Bearing Part Complete Bearing
Rolling Element Roller
Bearing Class Normal / P0
Capacity High Capacity
Material Bearing Steel
Outer Ring Width 1.14 in, 29 mm
Inner Ring Width 1.14 in, 29 mm
Element Material Bearing Steel
No. of Ribs - Outer Ring 2
Dynamic Load Rating 156 kN
Cage Material Bearing Steel
Precision Ground Yes
Tolerance Normal (PN)
Precision Rating ABEC 1
Bore Type Cylindrical
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Static Load Rating 143 kN
Reference Speed 6000 rpm
Full Cage Description Pressed Steel Cage
Oil Hole w/o Oil Hole
Cage Type Sheet Metal
Radial Internal Clearance Group N
Series 3
Bearing Type Radial
Rows of Balls Single
Enclosure Open
Bearing Material Coating Bearing Steel
Cage Sheet Metal
End Type Open End
Heat Stabilization 302 °F
Internal Clearance CN
Width 1.14 in, 29 mm
I.D. 2.17 in, 55 mm
No. of Rows 1
Limiting Speed 7000 rpm
O.D. 4.72 in, 120 mm
Inch/Metric Metric
ISO Tolerance Class 6 / P6
Static Load Rating [Max] 32,200.00 lbf
Relubrication Feature Without
Weight 3.331 LB
EAN or UPC 7316577034908
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