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