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