National Precision Bearing, Inc. Datasheets for Ball Bearings

Ball bearings are used to provide smooth, low friction motion in rotary applications. Ball bearings types include radial ball bearings (deep groove and angular contact) and thrust ball bearings.
Ball Bearings: Learn more

Product Name Notes
V Groove Ball Bearing Guide wheel bearings are precision ground, double row, angular contact bearings. These bearings are pre-lubricated and available in either 52100 chrome or 440C stainless steel. Although the standard chrome steel...
Special Ball Bearing Numerous special applications require non-standard ball bearings. A few of the more popular sizes are listed below. A wide variety of additional Specials are available upon request. Applications that require...
External Gear Slewing Ring -- STE Series
External Gear Slewing Ring -- SK6 Series
Internal Gear Slewing Ring -- SK6 Series
No Gear Slewing Ring -- SK6 Series
No Gear Slewing Ring -- STO Series
The Silverthin™ Bearing Group is an ISO 9001: 2008 registeredcompany that specializes in thin section ball and slewing ring bearings. Our flexible manufacturing systems allow us to provide a wide...
6300 Series Ball Bearing Functionally similar to the 6200 series, the 6300 Series is produced with a larger ball complement and heavier races allowing greater radial, thrust and combined load capacity for a given...
6300 Series Stainless Steel Ball Bearings Functionally similar to the SS6200 series, the SS6300 Series is produced with a larger ball complement and heavier races allowing greater radial, thrust and combined load capacity for a given...
Silverthin Bearing SA Series - Type A
Silverthin Bearing SAA Series - Type A
Silverthin Bearing SB Series - Type A
Silverthin Bearing SC Series - Type A
Silverthin Bearing SD Series - Type A
Silverthin Bearing SF Series - Type A
Silverthin Bearing SG Series - Type A
In applications with axial loads in one direction the A-Type, angular contact ball bearing should be used. This bearing also works well in radial or combined radial-thrust applications. The A-Type...
600 Series Ball Bearing Material: Standard SAE 52100 Stainless Steel available upon request
Angular Contact Hi-Speed Specialty Miniature Specialty Bearing
Modified Dimension Radial Open Flanged & Unflanged Miniature Specialty Bearing
Modified Dimension Radial Shielded Flanged & Unflanged Miniature Specialty Bearing
Modified Dimension Radial Shielded Flanged & Unflanged Miniature Specialty Bearing
Radial Hi-Speed Specialty Miniature Specialty Bearing
National Precision offers a wide selection of specialty minature bearing products in addition to standard bearings. These include angular contact, modified dimensions and high-speed medical and dental bearings. They are...
1600 Series Ball Bearing The 1600 Series bearings are designed to be dimensionally interchangeable with standard domestic inch series bearings. They incorporate 52100 steel and ABEC1 tolerances, allowing them to offer economy with electric...
6000 Series Ball Bearing The 6000 Series, extra light bearings are normally used in applications where space limitations are a primary consideration and shaft sizes are relatively large. Within their basic load ratings,...
6200 Series Ball Bearing The 6200 Series bearings feature deep, honed raceways, resulting in a perfectly balanced bearing. Their Conrad construction and precise ball complement selection allow for maximum performance. These bearings are available...
Radial Flanged Open Miniature Inch Bearing
Radial Flanged Shielded Miniature Inch Bearing
Radial Open Flanged & Unflanged With Extended Inner Ring Miniature Inch Bearing
Radial Open Miniature Inch Bearing
Radial Shielded Flanged & Unflanged With Extended Inner Ring Miniature Inch Bearing
Radial Shielded Flanged With Tapered OD Miniature Inch Bearing
Radial Shielded Miniature Inch Bearing
The inch series miniature bearings are single row ball bearings available from .0400 through .7500 inch bore sizes. The construction of these bearings enable them to carry moderate radial and...
Radial Open & Flanged Open Miniature Metric L Bearing
Radial Open & Flanged Open Miniature Metric R Bearing
Radial Shielded & Flanged Shielded Miniature Metric L Bearing
Radial Shielded & Flanged Shielded Miniature Metric R Bearing
The metric series miniature bearings are single row ball bearings available from 1 mm to 10-mm bore sizes. The construction of these bearings enable them to carry moderate radial and...
R Series Ball Bearing The R-Series bearings are single row, inch series bearings available from 1/8 through 1-1/2 inch bore sizes. The Conrad construction of these bearings enables them to accept thrust as well...
Silverthin Bearing JSA Series - Type C
Silverthin Bearing JSB Series - Type C
Silverthin Bearing JSU Series - Type C
Silverthin Bearing SA Series - Type C
Silverthin Bearing SAA Series - Type C
Silverthin Bearing SB Series - Type C
Silverthin Bearing SC Series - Type C
Silverthin Bearing SD Series - Type C
Silverthin Bearing SF Series - Type C
Silverthin Bearing SG Series - Type C
The C-Type, radial contact ball bearing is designed with deep ball grooves to withstand high loads. Although this bearing is used primarily in applications with radial loads, it can withstand...
6800 Series Stainless Steel Ball Bearings The deep thin-walled ball bearings of SS6800 series will bear moderate axial load as well as radial load. The SS6800 has a lower coefficient of friction and higher speed rating...
6900 Series Stainless Steel Ball Bearings The deep thin-walled ball bearings of SS6900 series will bear moderate axial load as well as radial load. The SS6900 has a lower coefficient of friction and higher speed rating...
6000 Series Stainless Steel Ball Bearings The SS6000 Series, extra light bearings are normally used in applications where space limitations are a primary consideration and shaft sizes are relatively large. Within their basic load ratings, these...
6200 Series Stainless Steel Ball Bearings The SS6200 Series bearings feature deep, honed raceways, resulting in a perfectly balanced bearing. Their Conrad construction and precise ball complement selection allow for maximum performance. These bearings are available...
6700 Series Stainless Steel Ball Bearings The SS6700 series has a small cross-sectional area allowing these bearings to require low running torque. Slim series bearings such as these are suitable for photosensitive drums, heating roller support,...
Silverthin Bearing JSA Series - Type X
Silverthin Bearing JSB Series - Type X
Silverthin Bearing JSU Series - Type X
Silverthin Bearing SA Series - Type X
Silverthin Bearing SAA Series - Type X
Silverthin Bearing SB Series - Type X
Silverthin Bearing SC Series - Type X
Silverthin Bearing SD Series - Type X
Silverthin Bearing SF Series - Type X
Silverthin Bearing SG Series - Type X
The X-Type, or 4-point contact, ball bearing is ideal for moment loading. X-Type bearings are designed with gothic arch raceways creating 4 contact points between the balls and the raceways.
Airframe Control Bearing These bearings are made in accordance with AS 7949 standards. Designed for applications of oscillating motion or slow intermittent rotation. They assure excellent radial and axial positioning. SAE52100 chrome steel...
Medical And Dental Bearings And Applications Miniature Specialty Bearing
Miniature Dental Bearing
We have super precision miniature bearings for most dental/medical applications. These dental bearings are of the highest quality and precision with operational tolerances exceeding ABEC 9 (High speed instrument bearings).