NU 222 ECP

Dimensions

d	110 mm	Bore diameter
D	200 mm	Outside diameter
B	38 mm	Width
D1	≈172.5 mm	Shoulder diameter of outer ring
F	132.5 mm	Raceway diameter of inner ring
r1,2	min.2.1 mm	Chamfer dimension
r3,4	min.2.1 mm	Chamfer dimension
s	max.2.1 mm	Permissible axial displacement

Abutment dimensions

da	min.122 mm	Diameter of spacer sleeve
da	max.129 mm	Diameter of spacer sleeve
db	min.135 mm	Diameter of shaft abutment
Da	max.187 mm	Diameter of housing abutment
ra	max.2 mm	Radius of fillet
rb	max.2 mm	Radius of fillet

Calculation data

SKF performance class		SKF Explorer
Basic dynamic load rating	C	335 kN
Basic static load rating	C0	365 kN
Fatigue load limit	Pu	42.5 kN
Reference speed		3 600 r/min
Limiting speed		4 000 r/min
Minimum load factor	kr	0.15
Limiting value	e	0.2
Calculation factor	Y	0.6

Associated products

Angle ring

HJ 222 EC

NU 222 ECP Single Row Cylindrical Roller Bearing: Features and Design
The NU 222 ECP single row cylindrical roller bearing is engineered for high radial load capacity and optimal performance in demanding industrial environments. Its design incorporates a robust outer ring with two fixed ribs and an inner ring featuring one fixed rib, enabling effective axial displacement of the shaft relative to the housing. The bearing utilizes a copper alloy cage (ECP designation), enhancing durability and heat resistance under heavy loads or high-speed conditions. Precision-ground rollers and raceways ensure smooth operation, while advanced heat treatment processes extend service life even in harsh operating conditions.

Key Advantages for Industrial Applications
With its superior radial load-bearing capabilities and low friction design, the NU 222 ECP excels in applications requiring reliability and efficiency. The copper cage minimizes wear and reduces friction, making it ideal for high-temperature environments or scenarios with insufficient lubrication. Its separable components simplify installation and maintenance, reducing downtime in critical machinery. Additionally, the bearing's optimized internal geometry ensures uniform stress distribution, preventing premature failure and lowering total ownership costs.

Typical Use Cases Across Industries
The NU 222 ECP is widely used in heavy machinery sectors such as mining, cement production, and material handling systems. It is a preferred choice for vibrating screens, conveyor systems, and gearboxes where shock loads and misalignment are common. In energy generation, this bearing supports turbines, pumps, and compressors, delivering stable performance under continuous operation. Its versatility also extends to agricultural equipment and paper manufacturing, proving its adaptability to both high-speed and low-speed rotational requirements. For optimal results, pair the NU 222 ECP with proper sealing solutions and industry-grade lubricants to maximize operational lifespan.

Hot Tags: nu 222 ecp, nu 222 ecp suppliers, 7026AC Bearing, Split Cylindrical Roller Bearing 01B560M, HGL25HA Long Linear Block, Precision Ball Screw, 61930 Bearing, Needle Roller And Cage Assemblies