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Single Row Steel Cylindrical Bearing

NJ 321 ECJ

Single Row Steel Cylindrical Bearing
Item #100743109
  • 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
Radial Internal Clearance Group N
End Type Open End
Tolerance Normal (PN)
Bearing Type Radial
Capacity High Capacity
Material Steel
I.D. 105 mm
Bearing Design Removable Inner Ring – Flanged – Double Flanged Outer Ring and Single Flange Inner Ring
Full Cage Description Pressed Steel Cage
Limiting Speed 3800 rpm
Radial Internal Clearance Specification Normal Clearance
No. of Ribs - Inner Ring 1
Origin Cylindrical Radial
Precision Ground Yes
Inch/Metric Metric
O.D. Type Cylindrical
Dynamic Load Rating 98,900.00 lbf
Width 49 mm
Static Load Rating [Max] 112,000.00 lbf
Outer Ring Width 1.93 in, 49 mm
Rows of Balls Single
Reference Speed 3200 rpm
Cage Type Sheet Metal
Relubrication Feature Without
Enclosure Open
Bearing Part Complete Bearing
Precision Rating ABEC 1
Bore Type Round Bore
O.D. 225.0000 mm
No. of Ribs - Outer Ring 2
Static Load Rating 500 kN
Inner Ring Width 1.93 in, 49 mm
Cage Material Steel
Oil Hole w/o Oil Hole
Series 3
No. of Rows 1
Heat Stabilization 302 °F
Weight 19.599 LB
EAN or UPC 7316577062567
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