NB

SEB Type

The SEB type slide guide is a linear motion bearing in which the ball elements roll along two tracking grooves. This is the smallest and lightest slide guide series offered by Nippon Bearing. The compact design allows for the size and weight of machinery and other equipment to be reduced.

Structure and Advantages

The SEB type slide guide consists of a rail with precisely machined raceway grooves and a block assembly consisting of the main body, return caps and ball elements. Side-seals are available as an optional feature.

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Retained Ball
With the retained balls, the SEBS "B" type block is able to be removed from the guide rail, simplifying its installation and resulting in lower assembly costs.
All Stainless Steel Type
By using Stainless Steel for the return caps, the SEBS "BM" type is constructed from only Stainless Steel making this the ideal choice for special environments such as high temperature, clean room, or vacuum applications.
Moment Resistant
A wide block "WA" type, a long block "AY" type, and a wide/long block "WAY" type are moment resistant slide guides available. One of these should be suitable for any demanding operating condition.
Tapped-Hole rail Types
Slide guides with clearance holes are standard and tapped holes are available upon request.
Anti-Corrosion
The SEBS type slide guide uses Martensite stainless steel which is highly resistant to corrosion and may be used in hostile environments.

SER Type

The NB SER type slide guide is a linear motion bearing utilizing the rotational motion of precision rollers placed in two rows. Despite its compact shape, it can be used in various applications requiring high load capacity.

Structure and Advantages

The NB SER type slide guide consists of a rail with two precision-machined raceway grooves and a block assembly. The block assembly consists of a main body, rollers, and bottom roller retainers. All of these components are made of metallic materials.

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High Load Capacity and Long Life
Since roller elements are used, the contact surface is large which provides a high load capacity and long travel life.
Compactness
Since a cross roller method is utilized, only two raceway grooves are necessary and presents a very compact package.
Moment Resistant Type
The wide block design (WA Type) has an extremely high moment loading capacity. This will allow for single shaft designs in the most hostile environment applications.
Rail Bolt Hole Types
SER type rails with counterbore bolt holes (standard) and optional tapped mounting holes (N-type) are available enabling various installation methods.
All Stainless Steel
Since all the components for the SER type guide are made of metallic materials, stainless steel provides excellent corrosion and thermal characteristics. The SERS type slide guide is ideal for clean-room or vacuum applications.

SGL Type

The SGL slide guide is a linear motion bearing utilizing the rotational motion of ball elements along four rows of raceway grooves. It can be used in various applications due to its compactness and high load capacity.

Structure and Advantages

SGL slide guides consist of a rail with four precisionmachined raceway grooves and a block assembly. The block assembly consists of the main body, ball elements, retainers, and return caps.

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High Load Capacity and Long Life
The use of larger ball elements and a raceway with grooves machined to a radius close to that of the ball elements increases the area of the contact surface. The results are load capacity and provides longer life.
Low Wear
Because a 4-row/2-point contact design is used, low wear and stable motion characteristics are achieved even under a pre-loaded conditions.
Omni-Directional Load Capacity
The ball elements are positioned at 45contact angle so that the load capacity is equal in four directions (above, underneath, right and left).
Absorption of Mounting Dimensional Error
Because the ball elements are positioned to increase their self-aligning characteristics, the dimensional error caused during installation is absorbed.
Anti-Corrosion Specification
The rail and block assembly may be Raydent treated to increase the corrosion resistance. This treatment is standardized with the symbol "RD", and suitable for use in clean room applications.
Dust Prevention
Side seals are provided as a standard. To improve the dust prevention characteristics, underseals and special rail mounting caps are also available.

GL Type

The NB slide guide GL type realized low noise with a ball cushion embedded between the steel balls and significantly extended lubricant replenishment intervals by the use of fiber sheet. In addition, its compact size as well as high load capacity allows for the size and weight of machinery and other equipment to be reduced.

Structure and advantages

The GL type slide guide consists of a rail with 4 rows of precisely machined raceway groove and a block assembly consisting of the main body, steel balls, ball cushions, a retainer, a fiber sheet, and return caps.

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Low Noise
By incorporating a ball cushion between steel balls, the metal contact between the steel balls is prevented, which allows for a reducion in noise levels.
Can Significantly Extend Lubricant Replenishment Intervals
A lubricant-containing fiber sheet incorporated in the block supplies appropriate amount of lubricant to the raceway grooves at appropriate intervals, which can significantly extend the lubricant replenishment
interval.
High Load Capacity and Long Life
With large-diameter steel balls employed, this slide guide has a higher load rating and a longer life compared to low-noise guides offered by other companies.
Omni-Directional Load Capacity
The steel balls are positioned at 45o contact angle so that the load capacity is equal in four directions.




 

 

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Specialty Motions, Inc.
1801 Railroad Street
Corona, CA 92880

800.283.3411
951.735.8722
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Specialty Motions, Inc. is a manufacturer, distributor, integrator, and assembler of linear motion systems and components including but not limited to:

Linear actuators, linear bearings, positioning systems, servo motors, stepper motors, electric actuators, lead screws, ball screws, linear slides, guide rails, precision shafting, bushings, xy tables, stepper motor controllers, slide tables, linear stages, linear positioners, cross roller slides, bearing slides, ball slides, linear actuator, ball bearing slides, pillow blocks, spline shafts, automation systems, linear stages, ball bushings, miniature actuators, screw actuators, motion control, linear motor, linear slide, linear bearings, linear motion control, integrated systems, integration systems with linear motion control, motion control linear actuator, linear bearing actuator, linear motor actuator and motion control, linear bushings, linear shafting, ball bearing slide, integrated controls, miniature linear actuator, miniature actuator, and many linear motion and system integration components...