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Raceway shape forms a “Gothic Arc” rather than a continuous radius, to allow four points of contact between the rolling element and raceways instead of just two
BX Series
Four-PointContact Ball Bearings
Applications: Compressors, Pumps, Sheaves, etc.
Handles radial, thrust and moment loads at onceDramatic space savings for minimal loss in moment loadReduced axial clearance and increased axial rigidity
Longer Life:• Radial Load is dispersed through two points• Angular Contact design handles axial loads• Reduced contact stress• Reduced operating temperatures
Calculated Life Comparison:Bearing Size = Ø25 x Ø60 x 16 mmRadial Load = 2,616 NAxial Load = 1,995 N
Simple Design High Quality Materials
Calc
ulat
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May 2019CATALOG NO.: NAB 1901
Unit: mm
Note: Additional custom sizes are available - please consult NACHI
BX Series - Dimensional Table
Four-PointContact Ball Bearings
Available “Open”, “Sealed” or “Shielded” Available with 20º, 25º and 30º Contact Angle Options
BearingNo.
12BX0212BX321012BX0315BX28715BX351115BX421317BX30717BX401217BX471420BX421220BX471422BX561625BX471225BX521525BX621730BX551330BX621635BX621435BX721740BX801840BX902345BX8519
6001620163016902620263026903620363036004620463226005620563056006620660076207620863086209
12121215151517171720202225252530303535404045
28323728354230404742475647526255626272809085
810127
11137
121412141612151713161417182319
Standardbo
re
O.D
.
width
OfficesNACHI AMERICA INC.Corporate Headquarters715 Pushville RoadGreenwood, IN 46143Phone: 317-530-1001Fax: 317-530-1011Email: [email protected]
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NACHI CANADA INC.89 Courtland Ave., Unit #2Concord Ontario, Canada L4K3T4Phone: 905-660-0088Fax: 905-660-1146
Bore O.D. Width
