Unit of Measure

Technical Specifications

Type

Needle Roller Bearing

Bore Type

Round

Material

High Carbon Chrome Steel

Cage Material

Steel

Limiting Speed - Grease

8000 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

4450 lbf19900 N19.90 kN

Dynamic Load Rating

3400 lbf15200 N15.20 kN

Weight

1.764 lb0.800 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

0.7874 in20.000 mm

D

1.4567 in37.000 mm

F

0.9843 in25.000 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

0.8661 in22.000 mm

Da max

1.1024 in28 mm

ras max

0.0118 in0.3 mm