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