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