Specifications
Dimensions
- Bore Diameter220 mm
- Fillet Radius3 mm
- Outside Diameter400 mm
- Overall Width108 mm
- Weight59.34189 kg
Details
- Bore TypeStraight
- Cage MaterialBronze
- Cage TypeInner Ring Guided
- Closure TypeOpen
- Country of OriginJP
- DescriptionSpherical Roller Bearing, Series 222
- Dynamic Load Capacity1960000 N
- Harmonization Code8482300080
- Internal ClearanceC0
- Lubrication Hole TypeOil Grooves And Holes In Outer Ring
- Manufacturer Upc Number029176822391
- Max Rpm1000 rpm
- Maximum RPM (Grease)850 rpm
- Maximum Speed1000 rpm
- Measurement StandardMetric
- Outer Ring TypeNot Split
- Product TypeSpherical Roller Bearings
- Series222
- Static Load Capacity2430000 N
- UPC_NO029176822391
Overview
- Design—Elimination of the guide ring allowed for a design change that improves cage balance and strength
- Material technology—HPS series is made from NSK’s high-cleanliness Z steel
- Special surface treatment of NSK spherical roller bearings increases resistance to wear
- NSK also offers advanced material options: Super TF and TL steel, depending on application requirements
- Advanced technology—NSK’s patented Molded Oil lubrication system is also available
- Bearings are also available with an oil groove and holes in the outer ring for re-lubrication purposes
- Optional inner ring oil groove and holes available
- Seal technology—NSK offers different sealing materials depending on the operating temperature of the bearing
- Cage materials—Available in steel, brass or polyamide depending on the requirements of the application
- Manufacturing technology—Advanced production system guarantees outstanding quality control
- Life—up to two times the operating life of industry standard spherical roller bearings
- Reduced maintenance costs—downsizing to smaller bearings while improving performance and lengthening equipment operating life
- Limiting speed up to 20% higher
Compliance & Safety Data
Literature & Catalogs
NSK Steel Metals Works Asset Improvement Program Success StoryNSK helped a steel manufacturer reduce bearing failures in a 4-stand tandem mill by replacing conventional bearings with Super-TF bearings for contaminated environments. The upgrade extended service life and delivered $119,600 cost savings.
View case study- NSK Bearings For Steel Industry Brochure
Robust, wear-resistant, and durable, NSK's rolling bearings are engineered for the demanding environments of the iron and steel industry. Robust deliver reliable performance, extended service life, and reduced maintenance in extreme operating conditions across applications.
View brochure - NSK Tough Steel Brochure
NSK Tough Steel Bearings deliver longer life in contaminated and heavy-duty environments through advanced heat treatment and optimized retained austenite. Enhanced toughness, hardness and wear resistance provide superior performance in mining, cement, steel, paper and wind industries.
View brochure - NSK Super-TF Four Row Cylindrical Roller Bearings Brochure
NSK Super-TF four-row cylindrical roller bearings are engineered for back-up rolls in rolling mill stands, delivering exceptional load capacity, high precision, and extended service life under extreme loads, contamination, and harsh lubrication conditions. Designed with advanced Super-TF steel and multiple cage configurations, they improve durability, reduce downtime, and enhance rolling accuracy in steel and metals processing applications.
View flyer
More resources
NSK Sendzimir Backup Roller Bearings Brochure
NSKs back-up roller bearings for cluster mills are engineered with the requisite ring strength and running accuracy to support precise plate and sheet making. With advanced options including our long-life STF steel and innovative seal design, they withstand heavy loads and lubrication challenges to deliver a long and reliable service life.
NSK SWR Spherical Roller Bearings Continuous Casting Machines Brochure
NSK SWR Series spherical roller bearings are engineered for continuous casting machines in steel and metals processing, delivering superior wear resistance, flaking life, and core toughness. Designed for heavy loads, contamination, and ultra-low speeds, they extend roll segment life and reduce unplanned downtime.