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NTN RNA59/32 is a machined ring needle roller bearing without inner ring, featuring a 32 mm bore and steel cage. This open design accommodates high radial loads in compact spaces. Suitable for gearboxes, pumps, and industrial machinery where a hardened shaft serves as the inner raceway.
MODEL RNA59/32
$84.66 Each
Prices are subject to change
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Returnable:No
C (in)
1.0630
Cage Material
Steel
Cage material
Steel
Configuration
One
D (in)
2.0472
Da max
1.8898 in
Dynamic Load Rating
8550 lbf
Dynamic load rating
8550 lbf
Enclosure
Open
Fw
1.5748 in
Fw Tolerance
0.041/0.025 mm
I.D.
40 mm
Limiting Speed - Grease
6500 RPM
Limiting speed - grease
6500 RPM
Limiting Speed - Oil
10000 RPM
Limiting speed - oil
10000 RPM
Material
High carbon chrome steel
O.D.
52 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0236
ras max
0.0236 in
Roller Type
Needle
Roller type
Needle
Static Load Rating
13700 lbf
Static load rating
13700 lbf
Type
Needle Roller Bearing
Technical Specifications
Type | Needle Roller Bearing |
Roller Type | Needle |
Configuration | One |
Material | High Carbon Chrome Steel |
Cage Material | Steel |
Limiting Speed - Oil | 10000 RPM |
Limiting Speed - Grease | 6500 RPM |
Precision | ISO Class 0 |
Enclosure | Open |
Static Load Rating | 13700 lbf61000 N61.00 kN |
Dynamic Load Rating | 8550 lbf38000 N38.00 kN |
Weight | 0.273 lb0.124 kg |
Operating Temperature Range | -40 to 250 F-40 to 120 C |
How do I choose the right type of bearing for my application?
Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints. For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials. In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.
| Brand | Champion |
| Model | 705LH-3/16 |
