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