Machined-Ring-Needle-Roller-Bearing-Inner-Ring-RNA48-RNA49-Series – RNA4948

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ITEM NUMBER

RNA4948

Machined-Ring Needle Roller Bearing w/o Inner Ring - RNA48, RNA49 Series

d—Bore

D320,000 mmOutside diameter

B—Width

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TECHNICAL DATA

Specifications for RNA4948

Units

Technical Specifications

Type: Needle Roller Bearing
Roller Type: Needle
Configuration: One
Material: High Carbon Chrome Steel
Cage Material: Steel
Limiting Speed - Oil: 1500.0 RPM
Limiting Speed - Grease: 1000 RPM
Precision: ISO Class 0
Enclosure: Open
Static Load Rating: 1350000 N
Dynamic Load Rating: 540000 N
Weight: 8.400 kg
Operating Temperature Range: -40 to 120 ºC

Dimensional Specifications

Fw: 320.000 mm
Fw Tolerance: 0.088/0.056 mm
D: 320.000 mm
C: 80.000 mm
r: 2.100 mm
Da max: 309.000 mm
ras max: 2.000 mm

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