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