Bearing NA4920-XL INA -

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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Bearing NA4920-XL INA image

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Bearing NA4920-XL INA Technology

Bore Type:Tapered Bore
Enclosure:Open
Configuration:Double Row
Roller Profile:Symmetric
Center Guidance:Fixed Inner Ring Rib
Retainer Material:Machined Brass
Nr. of Holes:6
Weight:13.700 kg
d:240 mm
D:320 mm
B:60 mm
Fillet Radius/Chamfer:2.1 mm
Groove Width A:12 mm
Hole Diameter (do):6 mm
Dynamic Load Rating:870,000 N
Static Load Rating:1,260,000 N
Limiting Speed - Grease:1,200 rpm
Limiting Speed - Oil:1,600 rpm
Constant e:0.17
Axial Load Factor Y0:3.86
Axial Load Factor Y1:3.95
Axial Load Factor Y2:5.87
Radial Clearance:0.200 to 0.270 mm
da (min):252 mm
Da (max):308 mm
ra (max):2 mm

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NACHI PZS Series Hydraulic Piston Pumps Origin Japan

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