Machined-Ring-Needle-Roller-Bearing-Inner-Ring-NA48-NA49-Series – NA4964

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ITEM NUMBER

NA4964

Machined-Ring Needle Roller Bearing w/ Inner Ring - NA48, NA49 Series

d320,000 mmBore
D440,000 mmOutside diameter
B118,000 mmWidth
Verified by Cat Son before quotationPart number · clearance · precision
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TECHNICAL DATA

Specifications for NA4964

Units

Technical Specifications

Type
Needle Roller Bearing
Bore Type
Round
Material
High Carbon Chrome Steel
Cage Material
Steel
Limiting Speed - Oil
1100 RPM
Limiting Speed - Grease
750 RPM
Precision
ISO Class 0
Configuration
One
Enclosure
Open
Bearing Design
w/ Inner Ring
Oil Hole
w/ Oil Hole
Radial Internal Clearance
CN
Static Load Rating
2820000 N
Dynamic Load Rating
1120000 N
Weight
45.200 kg
Operating Temperature Range
-40 to 120 ºC

Dimensional Specifications

d
320.000 mm
D
440.000 mm
F
360.000 mm
B
118.000 mm
r
3.000 mm
s
2.000 mm
da min
333.000 mm
Da max
427.000 mm
ras max
2.500 mm
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