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Nachi America - 5218ZZ 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
Limiting Speed - Grease 2700 rpm
Rolling Element Material Steel
Snap Ring No
Temperature Range [Max] 248 °F
Grease Fill Alvania 2
Rows of Balls Double
Width 52.4 mm
Seals or Shields 2 Shields
Limiting Speed - Oil 3900 rpm
Outer Ring Material Steel
Bore Type Cylindrical Bore
Ball Material Steel
Static Load Rating [Max] 133000 N
Inner Ring Material Steel
Cage Material Steel
Dynamic Load Rating 138000 N
Contact Angle 20°
Bearing Type Angular Contact
ISO Precision Class P0
EAN or UPC 4991893603910
CategoryBall Bearings
Country of originJapan
Inner diameter90 mm
ManufactureNachi America
Mpn5218ZZ
Outer diameter160 mm
SubcategoryDouble Row Angular Contact Ball Bearing
Upc4991893603910
Weight9.43
Width52.4 mm