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