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Steel Super Precision Angular Contact Ball Bearing

3MM9116WI DUM

Steel Super Precision Angular Contact Ball Bearing
Item #101020861
  • 3.149 in Inner Diameter
  • 4.921 in Outer Diameter
  • Super Precision
  • 1.732 in Overall Width
  • Cylindrical OD
Steel Super Precision Angular Contact Ball Bearing
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  • 3.149 in Inner Diameter
  • 4.921 in Outer Diameter
  • Super Precision
  • 1.732 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
Dynamic Load Rating 13700 lbf
Bearing Type Single Row Angular Contact
Bearing Arrangement Universal
No. in Set Duplex Set
I.D. 80 mm
Material Steel
Seal Type Unsealed
Enclosure Open
No. of Rows 2
Static Load Rating [Max] 10200 lbf
Lubricant Oil Preservative
Bore Type Round Bore, Metric Type
Universally (Flush) Ground Yes
Outer Ring Width 22 mm
Inch/Metric Metric
Origin Single Row Angular Contact
Cage Type Machined Window
Inner Ring Width 22 mm
Seal Material None
Precision Level Extra Precision (ABEC 7)
O.D. 125 mm
Rolling Element Material Steel
Preload Level Medium
Ball Material Steel
Fillet Radius 0.039 in
Bearing Material Steel
Limiting Speed - Grease 8360 rpm
O.D. Type Straight
Cage Material Phenolic
Filling Slot No
Contact Angle 25°
Radial Internal Clearance Specification Normal Clearance
Precision Class ABEC Class 7/9
Closure Type Open
Overall Width 1.732 in, 44 mm
Relubricatable No
Rolling Element Ball
Fillet Radius Cone 0.043 in, 1.09 mm
Weight 3.97 LB
EAN or UPC 87796072886
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