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Single Row Steel Cylindrical Bearing

NJ 221 ECP

Single Row Steel Cylindrical Bearing
Item #100742923
  • 4.13 in Inner Diameter
  • 7.48 in Outer Diameter
  • 1.42 in Width
Single Row Steel Cylindrical Bearing
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  • 4.13 in Inner Diameter
  • 7.48 in Outer Diameter
  • 1.42 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
Radial Internal Clearance Specification Normal Clearance
Element Material Bearing Steel
Row Type 1
I.D. 4.13 in, 105 mm
O.D. 7.48 in, 190 mm
Origin Cylindrical Radial
Rows of Balls Single
Internal Clearance CN
Cage Material Polyamide
Rolling Element Roller
Radial Internal Clearance Group N
Precision Rating ABEC 1
Dynamic Load Rating 300 kN
Width 1.42 in, 36 mm
Outer Ring Width 1.42 in, 36 mm
End Type Open End
No. of Rows 1
ISO Tolerance Class 6 / P6
Limiting Speed 4300 rpm
Inch/Metric Metric
Enclosure Open
Bearing Part Complete Bearing
Bearing Class Normal / P0
Static Load Rating 315 kN
Series 2
Bearing Material Coating Bearing Steel
Static Load Rating [Max] 70,800.00 lbf
O.D. Type Cylindrical
Bearing Design Removable Inner Ring – Flanged – Double Flanged Outer Ring and Single Flange Inner Ring
Relubrication Feature Without
Reference Speed 3800 rpm
Tolerance Normal (PN)
Material Bearing Steel
No. of Ribs - Outer Ring 2
Oil Hole w/o Oil Hole
Precision Ground Yes
Bearing Type Radial
Inner Ring Width 1.42 in, 36 mm
Cage Type Non-Metallic
Bore Type Cylindrical
Capacity High Capacity
Cage Non-Metallic
No. of Ribs - Inner Ring 1
Weight 9.118 LB
EAN or UPC 7316577726858
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