Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Grease

5500 rpm

Precision

ISO Class 0

Configuration

One

Enclosure

Double Sealed

Bearing Design

w/ Inner Ring

Oil Hole

w/ Oil Hole

Radial Internal Clearance

CN

Static Load Rating

6150 lbf27400 N27.40 kN

Dynamic Load Rating

4050 lbf18000 N18.00 kN

Weight

0.236 lb0.107 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


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

d

1.1811 in30.000 mm

D

1.8504 in47.000 mm

F

1.3780 in35.000 mm

C

0.6693 in17.000 mm

B

0.7087 in18.000 mm

r

0.0118 in0.300 mm

s

0.0315 in0.800 mm

da min

1.2598 in32.000 mm

Da max

1.4961 in38.000 mm

ras max

0.0118 in0.3 mm