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