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