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