National Precision Bearing, Inc. Datasheets for Miniature Bearings and Instrument Bearings

Miniature bearings and instrument bearings carry moderate radial and thrust loads at low operating torque while providing high performance in a small envelope design. These types of bearings are single row ball bearings available in up to 1 1/8" outer diameter (OD) sizes
Miniature Bearings and Instrument Bearings: Learn more

Product Name Notes
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...
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...
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...
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...
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.
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).