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