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