Simplicity Plain Linear Bearings | Self- Lubricating

FL (Inch) Closed Plain Linear Bearing

The red anodized aluminum shell identifies the inch series, which is available in off-the-shelf industry standard sizes from 3/16” to 4” and is interchangeable with linear ball bearings and some bronze bushings. The closed type of linear plain heavy duty bearing is ideal for handling loads in all directions and offers several mounting options. The Frelon Gold lined bearings offer static loads up to 100,500 lbs and the Frelon J & W liners carry up to 50,250 lbs.

FLC (Inch) Closed Compensated Plain Linear Bearing

Closed Compensated Linear Bearings have a running clearance that performs like a standard ball bearing. The additional clearance is built into the inner diameter, but all other dimensions are the same as the standard linear bearings. The compensated running clearance makes it ideally suited for parallel shaft applications.  

FLA (Inch) Closed Self-Aligning Plain Linear Bearing

Offered in the same sizes and maximum static loads as the standard Closed Linear Plain Bearing. The self-aligning heavy duty linear bearing has a crown on the outer diameter allowing the bearing to re-align itself in binding situations. Specifically designed to easily retrofit straight bore housings, the bearing will allow 1/2° of misalignment capability from centerline (1° overall).  

FLAC (Inch) Closed Self-Aligning Compensated Plain Linear Bearing

This Self-Aligning Compensated Linear Plain Bearing has additional clearance built into the inner diameter, but all other dimensions are the same as the precision bearings. Ideally suited for parallel shaft applications, the heavy duty bearing has a crown on the outer diameter allowing the bearing to re-align itself in binding situations. Specifically designed to easily retrofit straight bore housings, the bearing will allow 1/2° of misalignment capability from centerline (1° overall).

FLN (Inch) Open Plain Linear Bearing

The open version of the standard inch closed linear bearing has an opening which is designed to allow use on fully supported shafting for greater system rigidity. This linear bearing offers all the same features and benefits as the closed linear bearing. The open style is available in sizes 1/4” ID to 4” ID and with static load capacities up to 100,500 lb (444 kN). 

FLCN (Inch) Open Compensated Plain Linear Bearing

The Open Compensated Linear Plain Bearing operates akin to a conventional linear ball bearing, exhibiting comparable performance characteristics. The heavy duty linear bearing notably incorporates supplementary clearance within the inner diameter while maintaining precision across all other dimensions. This design feature renders it optimally tailored for parallel shaft applications. 

FM (ISO Metric) Closed Plain Linear Bearing

The distinctive blue anodized aluminum shell distinguishes the ISO metric series, offering readily available sizes conforming to industry standards. These linear bearings are interchangeable with linear ball bearings and select bronze bushings. Inner diameter sizes span from 5 mm to 80 mm, boasting static load capacities of up to 271.9 kN (61,000 lbs).

FMC (ISO Metric) Closed Compensated Plain Linear Bearing

The Closed Compensated Plain Linear Bearing is available in standard sizes from 5 mm to 80 mm. This plain linear bearing is adept at managing multidirectional loads and provides versatile mounting options. Featuring added clearance in the inner diameter while maintaining precision dimensions, it excels in parallel shaft applications. 

FMA (ISO Metric) Closed Self-Aligning Plain Linear Bearing

The blue shell distinguishes the ISO metric series, available in standard sizes and interchangeable with linear ball bearings and certain bronze bushings. Inner diameters range from 5 mm to 80 mm, with static load capacities up to 271.9 kN (61,000 lbs). Featuring a crowned outer diameter, the linear motion bearing facilitates self-alignment in binding situations and is designed for easy retrofitting into straight bore housings. Additionally, it offers 1/2° of misalignment capability from the centerline (1° overall), ensuring adaptable performance across different applications. 

FMAC (ISO Metric) Closed Self-Aligning Compensated Plain Linear Bearing

The blue shell distinguishes the metric series, featuring off-the-shelf industry standard sizes and an alternative for linear ball bearings and select bronze bushings. This closed-type, self-aligning linear plain bearing is compensated for enhanced adaptability along uneven shafts. The crowned outer diameter enables self-realignment in binding scenarios and is tailored for straightforward retrofitting into straight bore housings.  

FMCN (ISO Metric) Open Compensated Plain Linear Bearing

This is the open type of compensated linear plain bearing that is ideally suited for parallel shaft applications. Additional clearance is built into the inner diameter, but all other dimensions and ratings are the same as the standard bearings.

FMN (ISO Metric) Open Plain Linear Bearings

The opening in the metric Open Plain Linear Bearing is designed to allow for use on fully supported shafting for greater system rigidity. It offers all the same features and benefits as its closed counterpart. The open style is available in sizes 5 mm to 80 mm inner diameter with static load capacities up to 271.9 kN (61,000 lbs).

FG (ISO Metric) Closed Thin Wall Plain Linear Bearings

The Thin Wall Linear Plain Bearing has the same construction and smooth operation as our standard bearings, but in a more compact package. Designed to be interchangeable with compact linear ball bearings and bronze bushings, our Thin Wall Linear Bearings have inner diameters from 6 mm to 50 mm and static load capacities up to 92 kN (20,000 lbs).

FGC (ISO Metric) Closed Compensated Thin Wall Plain Linear Bearings

The Compensated Thin Wall Linear Plain Bearing offers the same robust construction and seamless performance as our standard bearings but in a more space-efficient design. These bearings feature inner diameters ranging from 6 mm to 50 mm and static load capacities up to 92 kN (20,000 lbs) as well as additional clearance on their inner diameters. 

FMT (ISO Metric) Closed Thin Wall Linear Plain Bearings

Same construction and smooth operation as the FM series but in a more compact package. Designed to be interchangeable with compact ball bearings and bronze bushings.

• ID sizes 6 mm thru 50 mm
• Static Load Capacities up to 72 kN (16,000 lbs)
• Standard Shell Material is Aluminum. Stainless Steel bearing shells available
• FrelonGOLD® bearing liner standard. Frelon® J & Frelon® W optional
• Self Lubricating for oil free operation
• Wide temperature range:  -240° C/ 204° C (-400° F/ 400° F)
• Vibration Dampening
• Custom modifications available – contact an Application Engineer for details

FMTC (ISO Metric) Closed Compensated Thin Wall Linear Plain Bearings

This is the closed compensated version of the metric thin wall linear plain bearing (FMTC). Designed to be interchangeable with compact ball bearings and bronze bushings.

• ID sizes 6 mm thru 50 mm
• Static Load Capacities up to 72 kN (16,000 lbs)
• Standard Shell Material is Aluminum. Stainless Steel bearing shells available
• FrelonGOLD® bearing liner standard. Frelon® J & Frelon® W optional
• Self Lubricating for oil free operation
• Wide temperature range:  -240° C/ 204° C (-400° F/ 400° F)
• Vibration Dampening
• Custom modifications available – contact an Application Engineer for details

FJ (JIS) Closed Plain Linear Bearing

The green anodized aluminum shell identifies the JIS metric series, which is available in off-the-shelf industry standard sizes and interchangeable with linear ball bearings and some bronze bushings. The closed linear plain bearing style is for use with end-supported shafting. Inner diameter sizes range from 6 mm to 150 mm with static load capacities up to 741 kN (166,000 lbs).

FJA (JIS) Closed Self-Aligning Plain Linear Bearing

This is the closed, self-aligning style linear plain linear bearing that is used with end-supported shafting. This linear bearing has a crowned outer diameter allowing the linear bearing to re-align itself in binding situations. It was specifically designed to easily retrofit straight bore housings. 

FJAC (JIS) Closed Self-Aligning Compensated Plain Linear Bearing

The green shell identifies the JIS metric series that conforms to JIS tolerance standards. This is the closed, self-aligning and compensated style linear bearing that is used with end-supported shafting. The crowned outer diameter and additional running clearance contribute to a best in class, heavy duty linear bearing.

FJC (JIS) Closed Compensated Plain Linear Bearing

This is the closed and compensated linear motion plain linear bearing style which allows for greater shaft flexibility including use with end-supported shafting. The additional running clearance on the inner diameter makes this bearing compensated. It has inner diameter sizes that range from 6 mm to 150 mm and static load capacities up to 741 kN (166,000 lbs).

FJCN (JIS) Open Compensated Plain Linear Bearing

This is the open and compensated linear motion plain linear bearing that allows for use with fully supported shafting. The compensated style has a larger running clearance on the inner diameter with sizes that range from 6 mm to 150 mm and static load capacities up to 741 kN (166,000 lbs). 

FJN (JIS) Open Plain Linear Bearing

The open version of our JIS metric linear motion plain linear bearing has an opening that is designed to allow use on fully supported shafting for greater system rigidity. It offers all the same features and benefits as the closed linear bearing. The heavy duty linear bearing open style is available in sizes 8 mm to 80 mm inner diameters with static load capacities up to 271.9 kN (61,000 lbs).