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