6988 KOYO Single-row deep groove ball bearings
Brand Name:KOYO
Model Number:6988
d:30 mm
D:55.000 mm
Bearing Width:13 mm
Contact Angle:15 º
do - Ball Diameter:7.143750 mm
C0 - Static Radial Rating:9167 N
Ce - Dynamic Radial Rating1:16800 N
Limiting Speed (Grease):30600 rpm
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Product Details

d30 mm
D55.000 mm
Bearing Width13 mm
Contact Angle15 º
do - Ball Diameter7.143750 mm
C0 - Static Radial Rating9167 N
Ce - Dynamic Radial Rating116800 N
Limiting Speed (Grease)30600 rpm
Limiting Speed (Oil)61200 rpm
Ball TypeCeramic
Cage TypeCR - Phenolic Outer Land Riding Cage
Bearing Weight0.113 Kg
Design UnitsMETRIC
Precision ClassISO P4S (ABEC 7/9)
Full Timken Part Number2MMC9106WICRDUH
R - Inner Ring To Clear Radius21.0 mm
r - Outer Ring To Clear Radius31.0 mm
da - Inner Ring Backing Diameter35.900 mm
Da - Outer Ring Backing Diameter50.700 mm
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Company Profile

PRECISION BEARING CORP
Phone 753-298-7732
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