Nippon Bearing

What Nippon Bearing does

Nippon Bearing Co., Ltd. (founded 1939) is a Japan-based manufacturer and global supplier of precision linear motion bearings and related mechanical components, operating in the United States through its wholly-owned subsidiary NB Corporation of America (Hanover Park, Illinois) and in Europe through NB Europe. The product portfolio covers six categories: ball splines (SSP/SSPM, SPR, SPB, stroke, SPBR/SPBF), cross roller guides (NV, SV, cross roller tables, miniature SYBS, Gonio Way), linear bushings (standard Slide Bush, the TOPBALL self-aligning high-load series, and stroke/rotary SR/SRE/RK bushings), linear actuators (BG type, which integrates a slide guide and ball screw into one unit), linear shafts, and slide screws. Core technology centers on precision ball-element mechanisms enabling high load capacity, smooth motion under high speed and acceleration, and combination of linear and rotational motion in single components; the TOPBALL Ultimate TW-H variant is cited as delivering 4x load rating and 64x travel life versus conventional slide bushings.

The company serves industrial machinery manufacturers, semiconductor equipment makers, and automation/robotics OEMs requiring precision motion control in automated factory equipment, optical and measuring instruments, robotic arms, positioning systems, and transportation equipment gearing. It sells via direct sales (toll-free 1-800-521-2045, email, contact form) supported by downloadable CAD files, comprehensive product catalogs (latest General Catalog No.179E, November 2024), engineering tools such as an actuator travel-life calculator, and the NB Linear Mobile iOS/Android app, alongside participation in trade exhibitions. Pricing is quote-based with no e-commerce storefront and no public pricing.

Nippon Bearing is privately held with no venture capital, private equity, or public-market ownership signals in the source data; the US subsidiary handles North American sales while the Japan parent retains product development and engineering authority. Recent strategic signals include a new HV Type Cross Roller Guide product line (March 2024), the Eastern Regional Office relocation (October 2024), and ongoing catalog refreshes, alongside legacy-line discontinuations indicating portfolio rationalization toward differentiated ball-based motion products.

Name

Nippon Bearing

Legal name

Nippon Bearing Co., Ltd.

Website

https://nbcorporation.com

Company type

Private

Founded year

1939

Operating status

Operating

Headcount range

11–50 employees

Short description

Nippon Bearing is a Japan-based, privately held manufacturer (founded 1939) of precision linear motion bearings and components — ball splines, cross roller guides, linear bushings, actuators, shafts, and slide screws — sold B2B via direct sales to industrial machinery, semiconductor equipment, and automation/robotics OEMs globally.

Ownership category

akta.pro rank

Product category

Industrial Linear Motion Bearings

NAICS

Ball and Roller Bearing Manufacturing (332991)

SIC

Ball & Roller Bearings (3562)

akta.pro primary industry

Linear Motion & Mechanical Power Transmission (Ball/roller screws, linear guides, bearings, couplings) (IMAHAGAM)

Keywords

• Linear motion bearings
• Ball spline components
• Cross roller guides
• Precision linear bushings
• Industrial automation components

Headquarters

HQ city

Hanover Park

HQ country

United States

HQ region

North America

Offices3 records

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Operations, Technology or R&D, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Industrial Linear Motion Components: B2B manufacturer and seller of precision linear motion bearings and mechanical components. Products include ball splines, cross roller guides, linear bushings, linear actuators, shafts, and slide screws sold to industrial machinery manufacturers and automation companies.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Nippon Bearing manufactures and sells precision linear motion bearings and related mechanical components used to guide, position, and drive linear or combined linear-rotational movement in industrial equipment. The portfolio spans ball splines, cross roller guides, linear bushings (including the proprietary TOPBALL high-load series), linear actuators, shafts, and slide screws. Products are sold as branded stock components to industrial machinery OEMs, automation/robotics builders, and precision instrument manufacturers.

Product overview

Nippon Bearing (NB) offers a comprehensive portfolio of linear motion bearing products organized into six main product categories: Ball Splines (SSP/SSPM, SPR, SPB, Stroke, SPBR/SPBF) for combined rotational and linear motion; Cross Roller Guides (NV, SV, Cross Roller Tables, Miniature SYBS, Gonio Way RV/RVF) for high-rigidity linear guidance; Linear Bushings including standard Slide Bush, TOPBALL high-load series with self-aligning technology, and stroke/rotary bushings (SR, SRE, RK types) for combined linear and rotational motion; Linear Actuators (BG type) combining slide guides and precision ball screws in a compact unit; Linear Shafts for mechanical applications; and Slide Screws for transport applications. The product lineup emphasizes precision engineering, high load capacity, and smooth motion for industrial automation, factory equipment, and precision instruments.

Differentiator

Problem solved

Functional benefit

Brands

• TOPBALL®: Self-aligning high load capacity linear ball bushing series with self-aligning load plates, floating seals, and adjustable clearance features. Available in metric (TK) and imperial (TW) configurations.

Products and services

• Ball Splines (SSP/SSPM, SPR, SPB, Stroke, SPBR/SPBF) Precision ball spline bearings providing smooth rotational and linear motion with high torque capacity and accuracy; available in standard, rotary, stroke, and ball-screw-spline variants for precision motion control.
• Cross Roller Guides (NV, SV, Cross Roller Tables, Miniature Ball Slide SYBS, Gonio Way RV/RVF) Linear motion guides using crossed roller bearings for high rigidity and precision in limited spaces, including pre-assembled cross roller tables, miniature ball slides for compact applications, and curved Gonio Way guides for angular or rotational motion.
• Linear Bushings (NB Slide Bush, TOPBALL® Series, SR, SRE, RK Types) Standard linear ball bushings and high-load variants (TOPBALL® with self-aligning load plates) providing smooth linear motion with high precision and load capacity, plus stroke/rotary bushings (SR, SRE, RK Types) that combine linear stroke with rotational motion in a single component.
• Linear Actuators - BG Type Compact single-axis linear actuator that integrates a slide guide and precision ball screw into one unit via a unique U-shaped guide rail and slide block, combining guide block and ball screw nut functions in a compact form factor for industrial automation and positioning applications.
• Linear Shafts Linear shafting products manufactured with machining and heat-treatment expertise, used as straight shafts for rotational motion in mechanical applications.
• Slide Screw - SS Type Mechanism that converts rotational motion into linear motion using friction between radial ball bearings and a shaft, intended for use as transport devices in machines rather than for accurate positioning.

Quantifiable outcome

• TOPBALL Ultimate provides 4 times higher load rating and 64 times longer travel life vs standard NB SLIDE BUSH series
• +3 more outcomes

Segments3 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Scale indicators1 record

Recent moves5 records

Expansion highlights4 records

Broad incumbents

• Bosch Rexroth: Bosch Rexroth is a global industrial automation leader offering linear motion products (ball rails, ball screws, linear bushings) and mechatronic assemblies that compete with NB's core product categories, particularly in factory automation and semiconductor equipment applications.
• NSK Ltd. NSK is a Tier-1 Japanese bearing manufacturer that produces linear guides, ball screws, and precision bearings alongside its much larger rolling bearing business. NSK overlaps with NB in linear motion bearings but competes as part of a much broader industrial portfolio.
• Schaeffler / INA: Schaeffler (including the INA brand) manufactures rolling bearings and linear guidance systems, including linear ball bearings, roller guides, and actuators that directly compete with NB's linear bushings and roller guides. A much larger incumbent with broader product breadth.
• Timken (Rollix, Conec): Timken is a global bearings and power transmission manufacturer with adjacency to NB's products through ball bearings and engineered motion components. Less direct overlap in linear motion specifically, but competes for the same industrial OEM budgets.
• NTN Corporation: NTN manufactures ball and roller bearings plus linear motion products such as ball screws and linear guides. NTN competes with NB in motion components but as part of a substantial global bearings business.

Direct peers

• THK Co., Ltd. THK is the global leader and inventor of the linear motion guide and is the most direct competitor to NB across ball splines, linear bushings, cross roller guides, and linear actuators. Both companies serve the same industrial OEM customers with similar product functionality and distribution via regional subsidiaries.
• HIWIN Technologies Corp. HIWIN is a leading manufacturer of linear guideways, ball screws, linear actuators, and precision bearings — directly overlapping NB's product portfolio of linear bushings, slide screws, ball splines, and actuators, with comparable automation and semiconductor end-markets.
• IKO International: IKO manufactures linear motion rolling guides, ball splines, and precision positioning tables that directly compete with NB's TOPBALL, slide bush, and actuator product lines. Comparable product depth and similar direct-sales motion go-to-market.
• Ewellix (formerly SKF/Schaeffler linear motion): Ewellix specializes in linear motion, actuation, and bearing solutions including ball screws, linear guides, and actuators — a portfolio that maps closely onto NB's cross roller guides, slide screws, and BG actuator offerings for industrial OEM customers.

Emerging players

• PBC Linear: PBC Linear is a smaller US-based manufacturer of linear bearings, slides, and guides with comparable product types to NB's slide bushes and cross roller guides. Similar North American focus but with a more limited product depth and global footprint.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/nipponbearing
• YouTubeyoutube.com/channel/UC0n-DX5w32k_l0lC7gEkJWg
• Facebookfacebook.com/NipponBearing
• LinkedInlinkedin.com/company/nb-corporation

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries3 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Nippon Bearing