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Single Row Steel Cylindrical Bearing

NU 321 ECJ

Single Row Steel Cylindrical Bearing
Item #100743110
  • 4.13 in Inner Diameter
  • 8.86 in Outer Diameter
  • 1.93 in Width
Single Row Steel Cylindrical Bearing
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  • 4.13 in Inner Diameter
  • 8.86 in Outer Diameter
  • 1.93 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
Heat Stabilization 302 °F
Rows of Balls Single
No. of Ribs - Outer Ring 2
Radial Internal Clearance Specification Normal Clearance
Relubrication Feature Without
O.D. Type Cylindrical
Limiting Speed 3800 rpm
Capacity High Capacity
No. of Rows 1
Outer Ring Width 1.93 in, 49 mm
Inch/Metric Metric
Full Cage Description Pressed Steel Cage
Bore Type Round Bore
Material Steel
Bearing Type Radial
Precision Ground Yes
Oil Hole w/o Oil Hole
Bearing Part Complete Bearing
Inner Ring Width 1.93 in, 49 mm
Static Load Rating 500 kN
Dynamic Load Rating 98,900.00 lbf
Enclosure Open
I.D. 105 mm
Cage Type Sheet Metal
Static Load Rating [Max] 112,000.00 lbf
Precision Rating ABEC 1
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Series 3
Radial Internal Clearance Group N
Reference Speed 3200 rpm
Origin Cylindrical Radial
O.D. 225.0000 mm
Width 49 mm
Cage Material Steel
End Type Open End
Tolerance Normal (PN)
Weight 19.202 LB
EAN or UPC 7316577062574
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