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Steel Super Precision Angular Contact Ball Bearing

3MM220WI DUL

Steel Super Precision Angular Contact Ball Bearing
Item #101020819
  • 3.937 in Inner Diameter
  • 7.087 in Outer Diameter
  • Super Precision
  • 2.677 in Overall Width
  • Cylindrical OD
Steel Super Precision Angular Contact Ball Bearing
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  • 3.937 in Inner Diameter
  • 7.087 in Outer Diameter
  • Super Precision
  • 2.677 in Overall Width
  • Cylindrical OD

applications

  • High speed grinding
  • High speed boring and milling
  • Precision vertical and horizontal milling spindles
  • High speed routing

features

  • ABEC 9/ISO P2 axial running tolerances for higher accuracy
  • Non-critical features manufactured to ABEC 7/ISO P4 tolerances for cost effectiveness
  • 15 degree initial contact angle for high degree of rigidity in both axial and radial directions and low operating temperatures
  • Clean steel supports longer service life
O.D. 180 mm
Bore Type Round Bore, Metric Type
Contact Angle 25°
Radial Internal Clearance Specification Normal Clearance
Limiting Speed - Grease 6450 rpm
Lubricant Oil Preservative
Outer Ring Width 34 mm
I.D. 100 mm
Static Load Rating [Max] 23600 lbf
Bearing Material Steel
Seal Type Unsealed
Cage Material Phenolic
No. of Rows 2
Rolling Element Material Steel
No. in Set Duplex Set
O.D. Type Straight
Precision Level Extra Precision (ABEC 7)
Ball Material Steel
Bearing Type Single Row Angular Contact
Inch/Metric Metric
Preload Level Light
Seal Material None
Origin Single Row Angular Contact
Inner Ring Width 34 mm
Enclosure Open
Material Steel
Dynamic Load Rating 35500 lbf
Universally (Flush) Ground Yes
Filling Slot No
Fillet Radius 0.079 in
Bearing Arrangement Universal
Cage Type Machined Window
Rolling Element Ball
Fillet Radius Cone 0.083 in, 2.11 mm
Precision Class ABEC Class 7/9
Relubricatable No
Overall Width 2.677 in, 68 mm
Closure Type Open
Weight 14.141 LB
EAN or UPC 87796071209
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