KOYO B-308 services Needle Non Thrust Roller Bearings

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KOYO B-308 services Needle Non Thrust Roller Bearings image

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KOYO B-308 services Needle Non Thrust Roller Bearings Dimensions

Bore Type:Cylindrical Bore
Enclosure:Open
Configuration:Double Row
Roller Profile:Symmetric
Center Guidance:Fixed Inner Ring Rib
Retainer Material:Machined Brass
Nr. of Holes:6
Weight:23.400 kg
d:200 mm
D:310 mm
B:82 mm
Fillet Radius/Chamfer:2.1 mm
Groove Width A:18 mm
Hole Diameter (do):8 mm
Dynamic Load Rating:1,270,000 N
Static Load Rating:1,560,000 N
Limiting Speed - Grease:1,400 rpm
Limiting Speed - Oil:1,900 rpm
Constant e:0.26
Axial Load Factor Y0:2.58
Axial Load Factor Y1:2.64
Axial Load Factor Y2:3.93
Radial Clearance:0.200 to 0.260 mm
da (min):212 mm
Da (max):298 mm
ra (max):2 mm

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