Description
The NK55/25-XL is a Light Duty Open Type, Single Row Machined Needle Roller Bearing. This Bearing has no Inner Ring, meaning the Needle Rollers are mounted directly onto the shaft. As such, the Bearing has better running accuracy as it isn't affected by assembling an Inner Ring with the shaft. In caged Needle Roller Bearings like this one, the Needles are precisely guided by the Cage to achieve ideal load distribution. These Bearings are designed for high load carrying capacity in radially compact arrangements and are used in most general purpose applications. The Bearing's dimensions are 55x68x25mm.
The IKO equivalent is TAF556825.
| NK | 55 | /25 | XL |
|---|---|---|---|
| Single Row Caged Needle Roller Bearing | 55mm Bore Size | 25mm Width | X-Life Bearing |
Product Information

Technical Data
Inside Diameter (mm):
55
Outside Diameter (mm):
68
Width (mm):
25
Under Roller Diameter (mm):
55
Dynamic Load Rating (kN):
45.5
Fatigue Load Rating (kN):
14.3
IKO Equivalent:
TAF556825
Limiting Speed Rating (r/min):
8400
Reference Speed Rating (r/min):
5200
Static Load Rating (kN):
82
Max. Operating Temperature:
120°C/248°F
Min. Operating Temperature:
-30°C/-22°F
DescriptionThe NK55/25-XL is a Light Duty Open Type, Single Row Machined Needle Roller Bearing. This Bearing has no Inner Ring, meaning the Needle Rollers are mounted directly onto the shaft. As such, the Bearing has better running accuracy as it isn't affected by assembling an Inner Ring with the shaft. In caged Needle Roller Bearings like this one, the Needles are precisely guided by the Cage to achieve ideal load distribution. These Bearings are designed for high load carrying capacity in radially compact arrangements and are used in most general purpose applications. The Bearing's dimensions are 55x68x25mm. The IKO equivalent is TAF556825.
Product InformationBRAND: ![]() SKU:nk55/25-xl-ina AVAILABILITY:In Stock ✅ WEIGHT:0.191 kg Technical DataInside Diameter (mm):55 Outside Diameter (mm):68 Width (mm):25 Under Roller Diameter (mm):55 Dynamic Load Rating (kN):45.5 Fatigue Load Rating (kN):14.3 IKO Equivalent:TAF556825 Limiting Speed Rating (r/min):8400 Reference Speed Rating (r/min):5200 Static Load Rating (kN):82 Max. Operating Temperature:120°C/248°F Min. Operating Temperature:-30°C/-22°F | ||||||||
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