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Single Row Steel Cylindrical Bearing

NU 311 ECM

Single Row Steel Cylindrical Bearing
Item #101172905
  • 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
Reference Speed 6000 rpm
Radial Internal Clearance Specification Normal Clearance
Dynamic Load Rating 156 kN
No. of Ribs - Outer Ring 2
Tolerance Normal (PN)
Bearing Type Radial
Bore Type Cylindrical
Limiting Speed 7000 rpm
Bearing Part Complete Bearing
Static Load Rating [Max] 32,200.00 lbf
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Full Cage Description Machined Brass Cage
Radial Internal Clearance Group N
Material Bearing Steel
Heat Stabilization 302 °F
Cage Type Solid Machined
Precision Ground Yes
Origin Cylindrical Radial
Series 3
Inner Ring Width 1.14 in, 29 mm
Width 1.14 in, 29 mm
Inch/Metric Metric
Cage Material Brass
Precision Rating ABEC 1
O.D. 4.72 in, 120 mm
Static Load Rating 143 kN
Outer Ring Width 1.14 in, 29 mm
Rows of Balls Single
Capacity High Capacity
Relubrication Feature Without
Enclosure Open
End Type Open End
I.D. 2.17 in, 55 mm
No. of Rows Single
Oil Hole w/o Oil Hole
O.D. Type Cylindrical
Weight 3.869 LB
EAN or UPC 7316576624285
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