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Steel Super Precision Angular Contact Ball Bearing

3MM207WI DUM

Steel Super Precision Angular Contact Ball Bearing
Item #101020792
  • 1.378 in Inner Diameter
  • 2.835 in Outer Diameter
  • Super Precision
  • 1.339 in Overall Width
  • Cylindrical OD
Steel Super Precision Angular Contact Ball Bearing
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  • 1.378 in Inner Diameter
  • 2.835 in Outer Diameter
  • Super Precision
  • 1.339 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
Seal Material None
Limiting Speed - Grease 17400 rpm
Precision Level Extra Precision (ABEC 7)
Outer Ring Width 17 mm
Ball Material Steel
Bearing Material Steel
Radial Internal Clearance Specification Normal Clearance
Preload Level Medium
Static Load Rating [Max] 3650 lbf
Dynamic Load Rating 7200 lbf
Filling Slot No
Material Steel
Contact Angle 25°
Seal Type Unsealed
Fillet Radius 0.039 in
Bore Type Round Bore, Metric Type
Cage Type Machined Window
Enclosure Open
Universally (Flush) Ground Yes
O.D. Type Straight
No. in Set Duplex Set
Origin Single Row Angular Contact
I.D. 35 mm
Rolling Element Material Steel
Inch/Metric Metric
Bearing Type Single Row Angular Contact
No. of Rows 2
O.D. 72 mm
Cage Material Phenolic
Lubricant Oil Preservative
Bearing Arrangement Universal
Inner Ring Width 17 mm
Fillet Radius Cone 0.043 in, 1.09 mm
Rolling Element Ball
Relubricatable No
Closure Type Open
Overall Width 1.339 in, 34 mm
Precision Class ABEC Class 7/9
Weight 1.28 LB
EAN or UPC 87796070301
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