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