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