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ParameterNSKF6933 × 8 × 3 mmKOYOF6933 × 8 × 3 mm
Comparable specifications
BrandNSKKOYO
DesignationF693F693
Product familySingle row deep groove ball bearingsExtra-small, miniature ball bearings / Flanged type / Open
Detailed typeDeep groove ball bearingsDeep groove ball bearings
Bore diameterd3 mm3 mm
Outside diameterD8 mm8 mm
WidthB3 mm3 mm
Basic dynamic load ratingC0.615 kN0.69 kN
Basic static load ratingC00.179 kN0.18 kN
Fatigue load limitPu—0.005 kN
Limiting speednG—63000 r/min
Mass≈m0.0007 kg0 kg
SealingOpenOpen
Boundary dimensions
Body outside diameterD8 mm—
Bearing width (open)B3 mm—
Minimum bearing chamferr min.0.15 mm—
Classification
Official Category Path—Deep groove ball bearings - Extra-small, miniature ball bearings - Flanged type - Open
Official Classification 1—Deep groove ball bearings / Extra-small, miniature ball bearings / Flanged type / Open
Construction
Catalogue closure constructionOpen—
Flange dimensions
Flange outside diameterD19.5 mm—
Flange widthC10.7 mm—
Load ratings
Basic dynamic radial load ratingCr615 N—
Basic static radial load ratingC0r179 N—
Lubrication-qualified speed
Limiting speed with grease60000 r/min—
Limiting speed with oil (open)67000 r/min—
Manufacturer Identity
Official Class Key—010-020-020
Mounting dimensions
Minimum shaft shoulder diameter (open)da min.4.2 mm—
Maximum adjacent fillet radiusra max.0.15 mm—
Reference mass
Approximate catalogue mass (open)0.7 g—
Technical Data
d—8 mm
B—3 mm
R(Min.)—0.15 mm
Basic Load Ratings : Cr—0.69 kN
Basic Load Ratings : C0R—0.18 kN
Fatigue Load Limit : Cu—0.005 kN
Factor : F0—11.9
Limiting Speeds(Grease Lub.)—63000 min-1
Limiting Speeds(Oil Lub.)—75000 min-1
Dimensions Of Flange D1—9.5 mm
Dimensions Of Flange C1—0.7 mm
Da(Min.)—4.2 mm
Ra(Max.)—0.15 mm
Mass(Refer.)—0.7 g

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