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