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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
No. of Rows 2
O.D. Type Straight
Seal Material None
Bearing Material Steel
Rolling Element Material Steel
Limiting Speed - Grease 6450 rpm
Bore Type Round Bore, Metric Type
Contact Angle 25°
Seal Type Unsealed
Inch/Metric Metric
No. in Set Duplex Set
Preload Level Light
Bearing Type Single Row Angular Contact
Cage Material Phenolic
Dynamic Load Rating 35500 lbf
Fillet Radius 0.079 in
Bearing Arrangement Universal
Origin Single Row Angular Contact
Outer Ring Width 34 mm
Lubricant Oil Preservative
Universally (Flush) Ground Yes
Material Steel
Radial Internal Clearance Specification Normal Clearance
Ball Material Steel
Filling Slot No
Static Load Rating [Max] 23600 lbf
I.D. 100 mm
Precision Level Extra Precision (ABEC 7)
Cage Type Machined Window
Inner Ring Width 34 mm
O.D. 180 mm
Enclosure Open
Overall Width 2.677 in, 68 mm
Relubricatable No
Precision Class ABEC Class 7/9
Fillet Radius Cone 0.083 in, 2.11 mm
Closure Type Open
Rolling Element Ball
Weight 14.141 LB
EAN or UPC 87796071209
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