Machined-Ring-Needle-Roller-Bearing-Inner-Ring-NA49R-NA59-NA69R-NKR 1R-Series – NA4911RC3

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ITEM NUMBER

NA4911RC3

Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series

d55,000 mmBore

D80,000 mmOutside diameter

B25,000 mmWidth

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TECHNICAL DATA

Specifications for NA4911RC3

Units

Technical Specifications

Type: Needle Roller Bearing
Bore Type: Round
Material: High Carbon Chrome Steel
Cage Material: Steel
Limiting Speed - Oil: 6500 RPM
Limiting Speed - Grease: 4300 RPM
Precision: ISO Class 0
Configuration: One
Enclosure: Open
Bearing Design: w/ Inner Ring
Oil Hole: w/ Oil Hole
Radial Internal Clearance: C3
Static Load Rating: 99500 N
Dynamic Load Rating: 58500 N
Weight: 0.396 kg
Operating Temperature Range: -40 to 120 ºC

Dimensional Specifications

d: 55.000 mm
D: 80.000 mm
F: 63.000 mm
B: 25.000 mm
r: 1.000 mm
s: 1.500 mm
da min: 60.000 mm
Da max: 75.000 mm
ras max: 1.000 mm

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