Grooved Cast Bronze Bushings

We specialize in machining standard lubrication grooves in nearly any pattern to meet your specific requirements. Our capabilities include well-known options such as the "Spira-Lube" Groove and the "National 11" Groove, along with other common patterns like figure eight, double figure eight, loop, double loop, circular, wick, and straight grooves. These grooves can be precisely machined to remain within the length of the part or to break out at the ends, depending on your needs. In addition to a wide range of industry-standard groove patterns, we can assist in selecting the most suitable option for your application. Our experienced team is always available to provide guidance and support to ensure optimal performance and longevity for your equipment. Contact us today for expert assistance.

Oil Groove Design

We offer a variety of groove patterns, including Spira-Lube, National 11, figure eight, double loop, and more. Grooves can be machined to remain within the part or break out at the ends.

Standard & custom groove patterns
Expert design support
Grooves with graphite available

Groove Style Cross Reference (US Brand)

Groove Style	National	Bunting	Johnson	Randall	Boston Gear	Buckeye
Circular	National Circular	Bunting Circular	Johnson H	Randall H	Boston Gear II	Buckeye Circular
Straight	National Straight	Bunting Straight	Johnson G	Randall G	Boston Gear I	Buckeye Straight
Single Loop	National Single Loop	Bunting 1	Johnson A	Randall A	Boston Gear III	Buckeye A
Double Loop	National Double Loop	Bunting 2	Johnson D	Randall D	Boston Gear VI	Buckeye B
Straight & Circular	National Straight & Circular	Bunting 3	Johnson C	Randall Straight & Circular	Boston Gear V	Buckeye C
Figure 8	National Figure 8	Bunting 4	Johnson B	Randall B	Boston Gear IV	Buckeye D
Double Figure 8	National Double Figure 8	Bunting 5	Johnson E	Randall E	Boston Gear VII	Buckeye E
11	National 11	Bunting 11	Johnson F	Randall F	Boston Gear VIII	Buckeye F

Customized Available

In addition to our standard groove options, we also offer grooves filled with graphite. If you require any custom solutions or have questions about our products, please feel free to contact us—our team is always ready to assist you.

Request a Quote for Grooved Cast Bronze Bushings

Need a custom groove or have questions about our grooved bronze bushings? Contact our expert team for fast support and competitive pricing.

Request A Quote