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Nachi America - 5311 Double-Row Angular Contact Ball Bearings have a thinner width than 2 stacked Deep-Groove bearings can sustain combined loads of simultaneously acting radial and axial loads because they have a contact angle (α). The contact angle is defined as the angle between the line joining the points of contact between the ball and the raceways in the radial plane.
Features
(-2NS) = 2 NBR Contact Seals, (ZZ) = 2 Shields, (NR) = Snap Ring Snap Ring Groove on OD, (C3) = C3 Radial Clearance
Additional Information
Bore Type Cylindrical Bore
Inner Ring Material Steel
Limiting Speed - Grease 4000 rpm
Rolling Element Material Steel
Contact Angle 20°
Snap Ring No
Seals or Shields No
Bearing Type Angular Contact
Outer Ring Material Steel
Cage Material Steel
Width 49.2 mm
Ball Material Steel
ISO Precision Class P0
Temperature Range [Max] 248 °F
Limiting Speed - Oil 5500 rpm
Dynamic Load Rating 112000 N
Static Load Rating [Max] 86500 N
Rows of Balls Double
EAN or UPC 4991893605662
CategoryBall Bearings
Country of originJapan
Inner diameter55 mm
ManufactureNachi America
Mpn5311
Outer diameter120 mm
SubcategoryDouble Row Angular Contact Ball Bearing
Upc4991893605662
Weight5.07
Width49.2 mm