FAG Needle roller bearings - NA4909-RSR-XL

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FAG Needle roller bearings - NA4909-RSR-XL image

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Specifications for FAG bearing authorized dealer

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:8
Weight:640.000 kg
d:530 mm
D:870 mm
B:272 mm
Fillet Radius/Chamfer:7.5 mm
Groove Width A:45 mm
Hole Diameter (do):20 mm
Dynamic Load Rating:10,200,000 N
Static Load Rating:14,600,000 N
Limiting Speed - Grease:390 rpm
Limiting Speed - Oil:510 rpm
Constant e:0.32
Axial Load Factor Y0:2.08
Axial Load Factor Y1:2.13
Axial Load Factor Y2:3.17
Radial Clearance:0.280 to 0.440 mm
da (min):566 mm
Da (max):834 mm
ra (max):6 mm

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