Angular Contact Bearing Options
Applications have different bearing needs. Sometimes these requirements go above typical precision bearing specs.
For example, some may need:
- Heavier load-carrying capabilities
- Faster speeds
- More flexibility for temperature fluctuations
- So on and so forth
Applications with these needs probably won’t be satisfied by our stocked and “ready-to-ship” GMN angular contact bearings. That’s why we offer a variety of options to choose from in our angular contact bearing product line.
Our goal is to make sure every machine and application has the right precision angular contact bearing.
Find Your (Bearing) Match
Understanding our product label and part number will help spindle rebuilders, distributors and engineers recognize all the custom options available for order.
All customized options that aren’t widely available are manufactured at the GMN Germany headquarters and shipped to us in Houston, Texas. Our shipping turnaround times are very fast, usually the best turnaround times in the industry.
Angular Contact Bearing Options
|–||No prefix: 52100 Bearing Steel (Balls & Rings)|
|HY||Ball Material: Ceramic (Si3N4)|
Rings: 52100 Bearing Steel
|M||High Temperature Steel*|
|N||High Nitrogen Steel*|
*Available on Request
Product Line Description & Designation
|S||Standard bearing series, single relief on outer ring|
|SM||High speed large ball series, similar to S|
series but supports higher speeds
|KH||Smaller balls & supports the highest speeds|
(for it’s size). Only series that can be ordered with seals.
|BNT||Separable bearing, similar to S series performance|
|BHT||Separable bearing, similar to SM series performance|
Contact Angle Choices
|C||15° Contact Angle|
|E||25° Contact Angle|
|Custom Contact Angle||18°|
|6002||Designation of dimensions series and bore diameter|
*only available on our KH series Angular Contact Ball Bearings
|2RZ||Seals on both sides of the bearing (KH Series only)|
*Other cages available on request
|TA||Laminated phenolic resin cage|
guided on outer ring (standard)
|TXM||Molded plastic cage guided on|
outer ring, ball retaining
|L252||Lubrication identifier (Ex. Turmogrease HS L252)|
Direct Lubrication Choices
|A||Oil lubrication hole through outer ring|
on open side
|AB|| Oil lubrication hole through outer ring|
on closed side
|L||Oil lubrication hole through outer ring on|
open side, outer ring oil groove with O-ring seals
|LB||Oil lubrication hole through outer ring on |
closed side, outer ring oil groove with O-ring seals
|AG||Grease lubrication hole through|
outer ring on open side
Matching & Preload Choices
|UL||Universal matching: Light preload|
|UM||Universal matching: Medium preload|
|US||Universal matching: Heavy preload|
|UV||Universal matching: Special preload|
Precision Class Definitions
*More details & specs can be found in our Bearing Catalog
|P4||European tolerance class: Matches to P4S |
per DIN 628-6, similar to ABEC 7
|P2||European tolerance class: Matches to ABEC 9|
|A7||ABEC 7 per ABMA standards|
Similar to P4
|A9|| ABEC 9 per ABMA standards|
Similar to P2
|HG||GMNs standard for high precision. Defined as|
higher than P4, but lower than UP (below)
|UP||GMNs own standard for ultra precision. |
Defined as Higher than HG, but lower than P2
High Point Marking
|R||High point mark for radial runout for |
both inner and outer rings
|Ri||High point mark for radial runout|
on inner ring
|Ra||High point mark for radial runout|
on outer ring
*For more information, please contact us.
|X||Grading of Bore & Outer Diameter|
Heat Treatment Choices
|S1||Operating temp up to 392°F (200°C)|
|S2||Operating temp up to 482°F (250°C)|
|S3||Operating temp up to 572°F (300°C)|
Why Buy From GMN Bearing USA?
The success of our business comes from three main pillars of excellence:
- Rapid Response: 99% of inquiries are responded to within one business day and most orders ship out the same day (from Houston, Texas).
- Expert-Level Support: Our onsite mechanical engineers and technical support specialists provide answers to your most difficult questions.
- Quality 360°: Our internal quality control process is one of the highest in the industry. We make sure GMN is synonymous with quality.
Need help finding the right product for your application? Contact us today.