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N/A Contact NTN Customer Relations

Technical Specifications

Type

N/A Needle Roller Bearing

Bore Type

N/A Round

Material

N/A High Carbon Chrome Steel

Cage Material

N/A Steel

Limiting Speed - Oil

N/A 2100 RPM

Limiting Speed - Grease

N/A 1400 RPM

Precision

N/A ISO Class 0

Configuration

N/A One

Enclosure

N/A Open

Bearing Design

N/A w/ Inner Ring

Oil Hole

N/A w/ Oil Hole

Radial Internal Clearance

N/A CN

Static Load Rating

N/A 155000 lbf690000 N690.00 kN

Dynamic Load Rating

N/A 62500 lbf279000 N279.00 kN

Weight

N/A 12.941 lb5.870 kg

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

N/A 6.6929 in170.000 mm

D

N/A 9.0551 in230.000 mm

F

N/A 7.4803 in190.000 mm

B

N/A 2.3622 in60.000 mm

r

N/A 0.0787 in2.000 mm

s

N/A 0.0591 in1.500 mm

da min

N/A 7.0472 in179.000 mm

Da max

N/A 8.7008 in221.000 mm

ras max

N/A 0.0787 in2.000 mm