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needle bearings 35x46x18mm
Needle roller bearing models
Models of needle roller bearings usually follow certain naming rules, which help identify and distinguish different types of needle roller bearings. The model naming of needle roller bearings usually includes information such as the basic type, size, performance characteristics of the bearing. The following are some common needle roller bearing models and their characteristics:
Needle roller bearing models and characteristics
NKI Series: This type of bearing has an inner ring and is suitable for applications that require inner ring support. For example, NKI40/25 represents a needle roller bearing with an inner diameter of 40mm and an outer diameter of 25mm. 12
NA Series: This type of bearing is a needle roller bearing with a turned outer ring, which is suitable for applications that require outer ring support. For example, NA4828 represents a turned outer ring needle roller bearing with an outer diameter of 28mm.
NK series: This type of bearing is a needle roller bearing without an inner ring and is suitable for applications that do not require inner ring support. For example, NK25/12 represents a needle roller bearing without an inner ring with an outer diameter of 25mm and an inner diameter of 12mm.
Model naming rules
NKI: Indicates needle roller bearings with inner rings.
NK: Indicates needle roller bearings without inner rings.
NA: Indicates needle roller bearings with turned outer ring.
The number part indicates the size of the bearing, such as diameter and length.
Common application scenarios
Car and Truck Transmissions: Driveline components that require a compact design.
Agricultural and construction equipment: Application scenarios that require heavy loads and high rotational speeds.
Pumps and Compressors: System components required to reduce friction and increase efficiency.
By understanding the model nomenclature and common models of needle roller bearings, you can better select the bearing that suits your specific application needs. This information is very useful to engineers and machine designers when selecting suitable needle roller bearings
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