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Steel Super Precision Angular Contact Ball Bearing

3MM9118WI DUL

Steel Super Precision Angular Contact Ball Bearing
Item #101020866
  • 3.543 in Inner Diameter
  • 5.512 in Outer Diameter
  • Super Precision
  • 1.889 in Overall Width
  • Cylindrical OD
Steel Super Precision Angular Contact Ball Bearing
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  • 3.543 in Inner Diameter
  • 5.512 in Outer Diameter
  • Super Precision
  • 1.889 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
Outer Ring Width 24 mm
Inch/Metric Metric
Precision Level Extra Precision (ABEC 7)
Bearing Type Single Row Angular Contact
Contact Angle 25°
Lubricant Oil Preservative
I.D. 90 mm
Bore Type Round Bore, Metric Type
Static Load Rating [Max] 12700 lbf
O.D. 140 mm
Radial Internal Clearance Specification Normal Clearance
Enclosure Open
No. of Rows 2
Rolling Element Material Steel
Material Steel
Seal Type Unsealed
Ball Material Steel
Fillet Radius 0.059 in
Universally (Flush) Ground Yes
No. in Set Duplex Set
Cage Type Machined Window
Dynamic Load Rating 17000 lbf
Preload Level Light
Seal Material None
Inner Ring Width 24 mm
Limiting Speed - Grease 7440 rpm
Cage Material Phenolic
O.D. Type Straight
Bearing Material Steel
Bearing Arrangement Universal
Origin Single Row Angular Contact
Filling Slot No
Rolling Element Ball
Closure Type Open
Precision Class ABEC Class 7/9
Relubricatable No
Overall Width 1.889 in, 48 mm
Fillet Radius Cone 0.059 in, 1.5 mm
Weight 5.55 LB
EAN or UPC 87796052154
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