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This part has been superseded.
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Single Row Steel Cylindrical Bearing

NJ311ECP

PENDING RECODE TO SKF_NJ 311 ECP, MTRL - 118849700
Item #100743016
  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 in Width
Single Row Steel Cylindrical Bearing
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    Shipment Options
  • 2.17 in Inner Diameter
  • 4.72 in Outer Diameter
  • 1.14 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
No. of Ribs - Outer Ring 2
Origin Cylindrical Radial
ISO Tolerance Class 6 / P6
Tolerance Normal (PN)
Cage Material Polyamide
Bore Type Cylindrical
Reference Speed 6000 rpm
Rows of Balls Single
Element Material Bearing Steel
Rolling Element Roller
End Type Open End
Oil Hole w/o Oil Hole
Width 1.14 in, 29 mm
Dynamic Load Rating 156 kN
Bearing Material Coating Bearing Steel
Cage Type Non-Metallic
Precision Ground Yes
I.D. 2.17 in, 55 mm
Row Type 1
O.D. 4.72 in, 120 mm
Bearing Type Radial
Relubrication Feature Without
No. of Rows Single
Full Cage Description Injection Molded Cage
Outer Ring Width 1.14 in, 29 mm
No. of Ribs - Inner Ring 1
Static Load Rating 143 kN
Bearing Design Removable Inner Ring – Flanged – Double Flanged Outer Ring and Single Flange Inner Ring
Series 3
Capacity High Capacity
Static Load Rating [Max] 32,200.00 lbf
Radial Internal Clearance Group N
Internal Clearance CN
O.D. Type Cylindrical
Precision Rating ABEC 1
Bearing Class Normal / P0
Heat Stabilization 302 °F
Inch/Metric Metric
Bearing Part Complete Bearing
Cage Non-Metallic
Inner Ring Width 1.14 in, 29 mm
Limiting Speed 7000 rpm
Radial Internal Clearance Specification Normal Clearance
Enclosure Open
Material Bearing Steel
Weight 3.378 LB
EAN or UPC 7316577028808
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