Super-Precision Bearings for Spindles

PRODUCTS

Product Categories

Super-Precision Cylindrical Roller Bearings

CHG manufactures super-precision cylindrical roller bearings for high-speed, high-load applications, offering excellent accuracy, rigidity and reliability.

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Super-Precision Angular Contact Ball Bearings

Source super-precision angular contact ball bearings from CHG for high-speed and high-accuracy machinery. Custom bearing solutions are available.

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Advantages

Why Choose CHG Super-Precision Bearings

Controlled Running Accuracy

Precision raceways, rolling elements and runout control support consistent spindle rotation and machining accuracy.

Speed, Rigidity & Thermal Balance

Review preload or clearance, cage, lubrication and cooling together to suit the spindle duty.

Flexible Bearing Configurations

Choose matched angular contact sets or high-stiffness cylindrical roller designs according to load direction and support function.

Engineering & Inspection Support

CHG supports drawing review, application calculation, inspection requirements and traceability from prototype validation to batch supply.

Application

Super-Precision Bearings Application

Machining Centers & Motorized Spindles

For spindle systems balancing operating speed, cutting loads and thermal behavior.

Grinding, Milling & Turning

For precision spindles with defined runout, rigidity and axial-location requirements.

Boring & High-Rigidity Spindles

For arrangements where cutting-force resistance and stable tool position are important.

Precision Cylinders & Printing Equipment

Cylindrical roller designs can support radial stiffness requirements in precision cylinder applications.

High-Speed Motors & Test Equipment

Advanced manufacturing with strict QC.

Customize

Custom Super-Precision Bearing Solutions

Bearing Number & Drawing

Submit the existing designation, dimensions and spindle layout for a review of series, ring geometry and interfaces.

Precision & Inspection

Define dimensional tolerances, runout, matching and acceptance criteria on the approved specification.

Arrangement & Preload

For angular contact bearings, review contact angle, DB/DF/DT or multi-bearing sets, and preload against speed and rigidity needs.

Bore & Radial Clearance

For cylindrical roller bearings, review bore type, mounted clearance or radial preload and required axial displacement.

FAQs

Super-Precision Bearings FAQs

Which super-precision bearings does CHG offer?

The range includes angular contact ball bearings in the 718, 719, 70 and 72 series, and cylindrical roller bearings in the N 10, NN 30 and NNU 49 reference series. Availability depends on size and design.

What precision levels are available?

CHG can review P4A-equivalent or higher requirements for angular contact designs, and SP, UP or application-defined requirements for cylindrical roller designs. Final tolerances depend on size, design and the inspection agreement.

Can catalogue speed be used as the spindle speed limit?

No. Permissible speed depends on the complete arrangement, preload or clearance, load, cage, fits, lubrication, cooling, balance and required life. The spindle requires system-level verification.

How do the two bearing types differ?

Angular contact bearings support radial and axial loads, with suitable paired arrangements providing axial location. N, NN and NNU cylindrical roller bearings primarily provide radial support and permit internal axial displacement; separate axial location is required.

Are matched sets and hybrid designs available?

Angular contact bearings can be reviewed for universal matching, matched pairs or multi-bearing sets and steel or ceramic balls. Ceramic rollers can be evaluated for selected cylindrical roller designs. Final configuration is series-specific.

What information is needed for a quotation?

Provide the bearing number or dimensions, spindle drawing, quantity, speed, loads, precision and preload or clearance requirements. Include lubrication, cooling, destination and delivery requirements where available.

Need Super-Precision Bearings for Your Spindle?

Send your bearing number or spindle drawing, quantity and operating requirements. CHG will review the bearing type, arrangement and precision requirements before quotation.

Angular contact and cylindrical roller designs
Preload and clearance review
Drawing and inspection support

Get a quick quote

We typically confirm within 24 hours.

Super-Precision Bearings for Machine-Tool Spindles