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NTN 8E-NK1-25X50X20.3N is a NK series machined ring needle roller bearing without inner ring, featuring a 25 mm bore, 50 mm outside diameter, and 20.3 mm width. This open design with a steel cage accommodates high radial loads in compact spaces. Suitable for gearboxes, pumps, and industrial machinery where a separable bearing is required.
MODEL 8E-NK1-25X50X20.3N
$73.87 Each
Prices are subject to change
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Returnable:No
C (in)
0.7992
Cage Material
Steel
Cage material
Steel
Configuration
One
D (in)
1.9685
Enclosure
Open
Fw
0.9843 in
I.D.
25 mm
Material
High carbon chrome steel
O.D.
50 mm
Operating Temperature Range
-40 to 250 °F
Operating temperature range
-40 to 250 ºF
Precision
ISO class 0
Roller Type
Needle
Roller type
Needle
Type
Needle Roller Bearing
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 | Nord Gear |
| Model | SK12 IEC112 SAME AS SN 201794757-900 |