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Single Row Steel Cylindrical Bearing

NU 221 ECJ

Single Row Steel Cylindrical Bearing
Item #100742924
  • 4.13 in Inner Diameter
  • 7.48 in Outer Diameter
  • 1.42 in Width
Single Row Steel Cylindrical Bearing
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  • 4.13 in Inner Diameter
  • 7.48 in Outer Diameter
  • 1.42 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
Oil Hole w/o Oil Hole
Precision Rating ABEC 1
Material Steel
Series 2
End Type Open End
Width 36 mm
Limiting Speed 4300 rpm
Bore Type Round Bore
Static Load Rating [Max] 70,800.00 lbf
I.D. 105 mm
Inner Ring Width 1.42 in, 36 mm
Radial Internal Clearance Group N
Bearing Type Radial
No. of Ribs - Outer Ring 2
Inch/Metric Metric
Rows of Balls Single
Cage Material Steel
Outer Ring Width 1.42 in, 36 mm
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
O.D. 190.0000 mm
Static Load Rating 315 kN
Full Cage Description Pressed Steel Cage
Cage Type Sheet Metal
Reference Speed 3800 rpm
Relubrication Feature Without
Capacity High Capacity
No. of Rows 1
Precision Ground Yes
Tolerance Normal (PN)
Enclosure Open
Dynamic Load Rating 59,400.00 lbf
Bearing Part Complete Bearing
Radial Internal Clearance Specification Normal Clearance
Heat Stabilization 302 °F
Origin Cylindrical Radial
Weight 8.808 LB
EAN or UPC 7316577043573
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