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NTN RNA59/22 is a machined ring needle roller bearing without inner ring, featuring a 22 mm bore. This open design accommodates a hardened and ground shaft as the inner raceway. The RNA59 series is suitable for compact, high-load radial applications in gearboxes, pumps, and industrial machinery.
MODEL RNA59/22
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$64.57 Each
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Brand Minimum Order Quantity: 2
Typically Ships in: 1 day
Returnable:No
C (in)
0.9055
Cage Material
Steel
Cage material
Steel
Configuration
One
D (in)
1.5354
Da max
1.4567 in
Dynamic Load Rating
5950 lbf
Dynamic load rating
5950 lbf
Enclosure
Open
Fw
1.1024 in
Fw Tolerance
0.033/0.020 mm
I.D.
28 mm
Limiting Speed - Grease
9500 RPM
Limiting speed - grease
9500 RPM
Limiting Speed - Oil
14000 RPM
Limiting speed - oil
14000 RPM
Material
High carbon chrome steel
O.D.
39 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
r (in)
0.0118
ras max
0.0118 in
Roller Type
Needle
Roller type
Needle
Static Load Rating
8450 lbf
Static load rating
8450 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 | 14000 RPM |
Limiting Speed - Grease | 9500 RPM |
Precision | ISO Class 0 |
Enclosure | Open |
Static Load Rating | 8450 lbf37500 N37.50 kN |
Dynamic Load Rating | 5950 lbf26400 N26.40 kN |
Weight | 0.016 lb0.007 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 | NTN Bearing |
| Model | 7312BL1BG |
