NU 328 ECM/C3

 

Dimensions

Bore diameter	140 mm
Outside diameter	300 mm
Width	62 mm

Performance

Basic dynamic load rating	780 kN
Basic static load rating	830 kN
Reference speed	2 400 r/min
Limiting speed	2 800 r/min
SKF performance class	SKF Explorer

Properties

Bearing part	Complete bearing
Axial displacement capability	In both directions
Number of rows	1
Locating feature, bearing outer ring	None
Bore type	Cylindrical
Cage	Machined metal
Number of flanges, outer ring	2
Number of flanges, inner ring	0
Loose flange	None
Radial internal clearance	C3
Tolerance class	Normal
Coating	Without
Sealing	Without
Lubricant	None
Relubrication feature	Without

Logistics

Product net weight	22 kg
eClass code	23-05-09-01
UNSPSC code	31171505

NU 328 ECM/C3 Single Row Cylindrical Roller Bearing: Robust Design for Heavy-Duty Applications
The NU 328 ECM/C3 single row cylindrical roller bearing is engineered to deliver exceptional performance in high-radial-load environments. Featuring a C3 internal clearance, this bearing compensates for thermal expansion in high-speed or high-temperature operations, ensuring stable functionality under demanding conditions. Its ECM (Enhanced Capacity Model) design incorporates optimized roller profiles and advanced surface finishing, significantly boosting radial load capacity while reducing friction and wear. The bearing's separable inner and outer rings simplify installation and maintenance, making it ideal for applications requiring frequent disassembly.

Superior Durability and Versatility
With a hardened steel construction and precision-ground components, the NU 328 ECM/C3 excels in harsh industrial settings, including mining, cement production, and heavy machinery. Its single-row configuration provides a compact design, saving space in equipment layouts without compromising load-bearing efficiency. The bearing's high thermal stability and contamination resistance extend service life, reducing downtime and operational costs. Additionally, the C3 clearance accommodates shaft misalignment, ensuring reliable performance even in imperfect mounting conditions.

Wide-Ranging Industrial Applications
The NU 328 ECM/C3 is widely used in sectors requiring robust radial load support and rotational accuracy. Common applications include gearboxes, electric motors, pumps, and rolling mills. Its adaptability also makes it suitable for wind turbine main shafts, conveyor systems, and agricultural machinery. Available in standard ISO dimensions, this bearing ensures compatibility with global equipment specifications. For industries prioritizing reliability, longevity, and cost-efficiency, the NU 328 ECM/C3 remains a top choice for engineers and maintenance teams worldwide.

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