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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
O.D. 8.86 in, 225 mm
Cage Material Bearing Steel
Cage Type Sheet Metal
Radial Internal Clearance Specification Normal Clearance
Oil Hole w/o Oil Hole
Rows of Balls Single
Inner Ring Width 1.93 in, 49 mm
Element Material Bearing Steel
Full Cage Description Pressed Steel Cage
Static Load Rating 500 kN
No. of Ribs - Outer Ring 2
Row Type 1
O.D. Type Cylindrical
Radial Internal Clearance Group N
End Type Open End
Precision Rating ABEC 1
Outer Ring Width 1.93 in, 49 mm
Cage Sheet Metal
Bearing Class Normal / P0
Static Load Rating [Max] 112,000.00 lbf
Precision Ground Yes
I.D. 4.13 in, 105 mm
Bearing Type Radial
No. of Rows 1
Width 1.93 in, 49 mm
Material Bearing Steel
Bearing Design Removable Inner Ring – Straight – Double Flanged Outer Ring and Single Flange Inner Ring
Bearing Material Coating Bearing Steel
Relubrication Feature Without
Tolerance Normal (PN)
Capacity High Capacity
Origin Cylindrical Radial
Dynamic Load Rating 500 kN
Inch/Metric Metric
Reference Speed 3200 rpm
Bearing Part Complete Bearing
Internal Clearance CN
ISO Tolerance Class 6 / P6
Bore Type Cylindrical
Heat Stabilization 302 °F
Limiting Speed 3800 rpm
Enclosure Open
Series 3
Rolling Element Roller
Weight 19.202 LB
EAN or UPC 7316577062574
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