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Machined-Ring Needle Roller Bearing w/ Inner Ring - NA49.R, NA59, NA69R, NK.R+1R Series
MODEL NK45/20R+1R40X45X20
$211.90 Each
Prices are subject to change
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Returnable:No
B (in)
0.7874
Bearing design
w/ inner ring
Bearing Design
w/ Inner Ring
Bore Type
Round
Bore type
Round
Cage Material
Steel
Cage material
Steel
Configuration
One
D (in)
2.1654
d (in)
1.5748
Da max
2.0866 in
da min
1.6535 in
Dynamic load rating
6300 lbf
Dynamic Load Rating
6300 lbf
Enclosure
Open
F (in)
1.7717
Limiting Speed - Grease
6000 RPM
Limiting speed - grease
6000 RPM
Limiting speed - oil
9000 RPM
Limiting Speed - Oil
9000 RPM
Material
High carbon chrome steel
Oil hole
w/ oil hole
Oil Hole
w/ Oil Hole
Operating temperature range
-40 to 250 ºF
Operating Temperature Range
-40 to 250 °F
Precision
ISO class 0
r (in)
0.0118
Radial Internal Clearance
CN
Radial internal clearance
CN
ras max
0.0118 in
s
0.0197 in
Static Load Rating
11800 lbf
Static load rating
11800 lbf
Type
Needle Roller Bearing
Technical Specifications
| Type | Needle Roller Bearing |
|---|---|
| Bore Type | Round |
| Material | High Carbon Chrome Steel |
| Cage Material | Steel |
| Limiting Speed - Oil | 9000 RPM |
| Limiting Speed - Grease | 6000 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 | 11800 lbf / 52500 N / 52.50 kN |
| Dynamic Load Rating | 6300 lbf / 28000 N / 28.00 kN |
| Weight | 0.301 lb / 0.137 kg |
| Operating Temperature Range | -40 to 250 ºF / -40 to 120 ºC |
Dimensional Specifications
| d | 1.5748 in / 40.000 mm |
|---|---|
| D | 2.1654 in / 55.000 mm |
| F | 1.7717 in / 45.000 mm |
| B | 0.7874 in / 20.000 mm |
| r | 0.0118 in / 0.300 mm |
| s | 0.0197 in / 0.500 mm |
| da min | 1.6535 in / 42.000 mm |
| Da max | 2.0866 in / 53.000 mm |
| ras max | 0.0118 in / 0.300 mm |
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