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21318 EK Spherical roller bearings
Dimensions: Bore (Inner) Diameter: 90 mm; Outer Diameter: 190 mm; Width (Thickness): 43 mm;

21318 EK
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Product Attributes
Product Number21318 EK
Bore Dia (d)90 mm
Bore Dia Tolerance-0.015~0
Outer Dia (D)190 mm
Outer Dia Tolerance-0.020~0
Width (H)43 mm
Width Tolerance-0.200~0
Dynamic Load Rating (KN)368.6
Basic Load Rating (KN)436.5
Speed ratings (Reference speed)(r/min)3600
Speed ratings (Limting speed)(r/min)4800
Bearing TypeSpherical roller
For Load DirectionCombined Radial and Thrust
Single Row/Double RowDouble Row
weight(kg)6.1
Seal TypeOpen
Precision RatingABEC-3 P6
roller Material52100 Chrome steel
Ring Material52100 Chrome steel
Cage Materialbrass or steel
LubricationRequired
Shaft Mount TypePress Fit
Temperature Range-40 to 130 ºC
RoHSCompliant
Cylindrical or tapered holestapered
21318 EK
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