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