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