Introduction

The SBR30 linear guide rail is a high-precision, rigid linear motion system widely used in automation equipment, CNC machine tools, and precision machinery. Crafted from premium steel with hardened surfaces, it delivers exceptional wear resistance and corrosion resistance to ensure long-term stable operation. Featuring a compact design and strong load-bearing capacity, the SBR30 works seamlessly with low-noise sliders to achieve smooth, high-speed linear movement. Its easy installation and strong compatibility make it an ideal choice for enhancing equipment performance and reliability in industrial automation.

Main Uses

The linear shaft is widely used in automatic transmission devices, such as industrial robots, automatic recorders, computers, precision printers, special cylinder rods, automatic plastic, wood machines and other industrial automatic machines. At the same time, because of its hardness, it can also extend the service life of ordinary precision instruments.

Specifications

Material	Gcr1545# high carbon steel
Hardness	HRC60±2
Precision	h6-h7-g6
Roughness	Ra0.4-0.8
Hardness layer depth	0.6mm~3.5mm
Waiting length	1000mm~6000mm
Straightness	100mm Not exceeding 5μm
Roundness	Not exceeding (Not over) 3.0μm (Rmax)
Standard chrome-plated type	Bearing steel high carbon steel
Soft shaft type	Bearing steel soft shaft, High carbon steel soft shaft

Special Machining for Shaft

We can offer linear shaft with diameter 05mm~0150mm, maximum length up to 6000mm.

1. When you are special requirements on length, we can meet your machining requirements with different length; when you request above 6000mm, we can anti-connect for you. (shown in Fig a)

Dowel joint

Butted joint

Threaded and Ground Joint

2. When you are special requirements on machining, such as threading, coaxial holes drilled and tapped, radial holes drilled and tapped, reduced shaft diameter etc. we can machine for you, and these special machines are finished after heat treatment and hard chromic so that ensure the precision of product. Send us your detailed sketch or blue print for prompt quotatine and action, you should be satisfied with our service.

Threading

Reduced Shaft Diameter

Coaxial Holes Driled and Tapped

Flats-single or Multiple

Snap Ring Grooves

Key Way

Radial Holes Drilled and Tapped

Chamfering

Our service

Provide the technical design and solutions;
Designing and manufacturing of non-standard equipment;
Professional technical training and guidance on site according to the contract;
Supply accessories at any time;
Tele-technical consulting and services;
Other special technical service according to client's requirements.

FAQ

1. Q: What about the after-sale service?

A: We provide 12 months quality warranty after dispatch, and some free easy abrasion spares of machine, we also provide long time free technical advisory services and technical consulting services, we will dispatch our engineer to go aboard to provide technical service if it is necessary.

2. Q: Can your products be customized?

A: Yes, we have a professional team which has rich experience in welding equipments, so we'll try our best to satisfy your requirement.

3. Q: What about the transportation?

A: Usually we take seaway, cause it's more convenient and cheaper.

4. Q: What's your after-sale service?

A: Some damageable spare parts can be offered free.

5. Q: How long is the production cycle?

A: 30-50 days.

6. Q: What are your terms of payment?

A: T/T or L/C.

7. Q: When did your factory established?

Since 2007.