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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
Bearing Design Removable Inner Ring – Flanged – Double Flanged Outer Ring and Single Flange Inner Ring
Radial Internal Clearance Specification Normal Clearance
Capacity High Capacity
Static Load Rating 500 kN
Radial Internal Clearance Group N
Outer Ring Width 1.93 in, 49 mm
End Type Open End
Limiting Speed 3800 rpm
Origin Cylindrical Radial
I.D. 4.13 in, 105 mm
Bore Type Cylindrical
O.D. 8.86 in, 225 mm
Precision Ground Yes
Precision Rating ABEC 1
O.D. Type Cylindrical
Enclosure Open
Dynamic Load Rating 500 kN
Heat Stabilization 302 °F
Rows of Balls Single
Cage Type Sheet Metal
Reference Speed 3200 rpm
Cage Material Bearing Steel
No. of Rows Single
Static Load Rating [Max] 112,000.00 lbf
No. of Ribs - Outer Ring 2
Tolerance Normal (PN)
Relubrication Feature Without
Inch/Metric Metric
Oil Hole w/o Oil Hole
Bearing Type Radial
Full Cage Description Pressed Steel Cage
Series 3
Material Bearing Steel
Width 1.93 in, 49 mm
Inner Ring Width 1.93 in, 49 mm
Bearing Part Complete Bearing
No. of Ribs - Inner Ring 1
Weight 19.599 LB
EAN or UPC 7316577062567
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