Ball Bearings
Cam Followers & Track Rollers
BOM Bearing manufactures cam followers and track rollers to customer drawings, covering four outer ring profiles — flat cylindrical, U-groove, V-groove, and spherical crown — in threaded stud, smooth shaft (yoke), and eccentric stud configurations. Standard internal construction uses double-row deep groove ball bearings; needle roller configurations are available for higher radial load capacity within the same outer envelope.
Key Features
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Custom Profile Geometry — groove angle, groove radius, crown height, and flange form manufactured to customer track drawings; non-catalog profiles accepted
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Integrated Assemblies — cam follower and matching guide rail supplied as a matched unit for guaranteed compatibility and simplified installation
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Mounting Options — threaded stud, smooth shaft (yoke), or eccentric stud; metric or inch threads; customizable eccentricity for preload adjustment
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Multiple Outer Ring Profiles — flat cylindrical, U-groove, V-groove, and spherical crown designs
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High Load Capacity Options — double-row deep groove ball bearings or needle roller configurations available
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Applications — industrial automation, cam mechanisms, vehicle door and window guide systems, conveyors, material handling, printing, and web handling
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Description
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Cam Follower & Track Roller
Multiple Outer Ring Profiles Customizable
Cam followers and track rollers roll directly against cam profiles, guide rails, and track surfaces. BOM manufactures them across a wide range of outer ring profiles and mounting configurations to suit cam-driven, track-guided, and linear motion applications.
- Flat Cylindrical: General-purpose profile for cam surfaces, flat tracks, and conveyor guide rails, the most widely used configuration across industrial automation
- U-Groove: Engages V-shaped guide rails with a self-centering groove; standard in linear conveyor systems, door guide mechanisms, and track carriage applications
- V-Groove: Matches precision V-track profiles; used in light-duty positioning systems and fine-adjustment mechanisms requiring consistent lateral location
- Spherical Crown: Barrel-shaped outer profile; self-aligns to curved tracks and compensates for angular misalignment without edge loading
- Mounting Configuration: Threaded stud (single-end, direct mount), smooth shaft / yoke (double-end supported, maximum rigidity), or eccentric stud (in-situ preload adjustment)
- Sealing & Maintenance: Sealed (2RS) variants with factory-filled grease for maintenance-free operation; open variants with grease nipple for field re-lubrication in accessible installations
Custom Cam Follower & Track Roller Manufacturing
Customizable Engineering Support
BOM manufactures custom cam followers and track rollers for applications where catalog specifications do not meet design requirements, from modified outer ring profiles and non-standard stud geometry through to complete track-and-roller assemblies supplied as a single matched unit.
- Integrated Track Assemblies: Cam follower and guide rail designed and manufactured together, dimensional compatibility guaranteed, installation simplified, and fitment testing eliminated
- One-Piece Machining Advantage: Stud, inner race, and mating geometry machined in a single setup, removing stack-up tolerances and delivering tighter combined runout than separately sourced components
- Custom Outer Ring Profile: Groove angle, radius, crown height, and flange geometry specified to the customer's track drawing, including profiles outside standard catalogs
- Stud & Shaft Specification: Any metric or inch thread form; any shoulder diameter; eccentric eccentricity value customer-defined for precise preload setting
- Surface Treatment: Chrome plating, black oxide, nickel coating, and full stainless steel construction for corrosion resistance, food-grade compliance, or wash-down environments
- Customization: Full-specification custom manufacturing available, covering dimensions, materials, coatings, and bearing structure
Applications
Industrial Automation & Cam Mechanisms
Flat outer ring cam followers track cam profiles in indexing tables, pick-and-place units, and high-cycle packaging machines. The thick-walled outer ring withstands repeated impact loading at cam lobe transitions that standard bearings cannot tolerate.
Railway & Transportation Equipment
U-groove and V-groove cam followers guide sliding door panels and partition systems in railway carriages and transit vehicles, running directly in the door frame track. The groove profile provides self-centering lateral location across millions of open/close cycles, a demanding durability requirement for mass transit applications.
Conveying & Material Handling
Track rollers serve as guide wheels on conveyor side rails, roller slides, and storage carousels where the outer ring runs directly on a structural track rather than a precision-ground surface. Sealed variants handle dusty and wash-down environments without routine maintenance.
Printing, Textile & Web Handling
Precision guide rollers maintain lateral web registration in printing presses, textile looms, and film processing lines. Spherical crown variants self-align to web-tension-induced deflection; eccentric stud types allow fine lateral adjustment of web path without mechanical disassembly.
About BOM Bearing
BOM Bearing is a professional manufacturer of cam followers and track rollers, delivering custom-specification rolling guidance solutions and integrated track assemblies for industrial machinery, transportation equipment, and automated production lines worldwide.
- Quality Assurance: ISO 9001, IATF 16949, and ISO 14001 certified; quality and environmental standards validated at every production stage
- Wide Product Range: Multiple outer ring profiles, mounting configurations, and sealing options covering cam-driven, track-guided, and linear motion applications
- Custom Manufacturing: Full-specification customization from non-standard dimensions and alternative materials to specialized coatings and complete bearing architecture redesign, engineered to your exact requirement
- Technical Support: Engineering team available for profile selection, preload calculation, and track compatibility review
- Fast Delivery: Efficient production lines and global logistics network for both standard and custom orders
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Frequently Asked Questions (FAQ)
How do I select the right outer ring profile?
Profile selection is driven by the track cross-section. Flat cylindrical outer rings suit flat cam surfaces and straight rails where lateral location is handled by other means. U-groove and V-groove profiles are self-centering and match the corresponding rail profile: U-groove for broader, more robust track engagement; V-groove for lighter-duty precision rails. Spherical crown profiles are used where the track is curved, or where shaft misalignment causes angular contact that would otherwise edge-load a cylindrical outer ring. Share your track drawing and BOM will confirm the correct profile and contact geometry.
When should I specify an eccentric stud?
An eccentric stud is the right choice when you need to adjust roller-to-track clearance or apply a controlled preload after the assembly is installed, without removing the cam follower. Rotating the eccentric stud shifts the outer ring center relative to the stud axis, closing or opening the gap between roller and track. This is standard practice in precision cam mechanisms and track carriage systems where wear-induced play must be periodically taken up in service.
What is an integrated cam follower and track assembly?
An integrated assembly means BOM designs and manufactures both the cam follower and its matching guide rail or cam profile as a single coordinated unit. Because the roller outer ring profile and the track cross-section are dimensioned on the same drawings and machined to the same tolerance basis, the mating fit is guaranteed, eliminating the uncertainty that arises when rollers and tracks are sourced from different suppliers.
Can BOM manufacture custom cam followers and track rollers?
Yes. BOM manufactures cam followers and track rollers to customer drawings, covering the full spectrum of customization: dimensions, materials, coatings, and bearing structure. This includes non-standard outer ring profiles, custom groove angles and radii, special stud thread specifications (metric and inch), customer-defined eccentricity values, alternative ring and rolling element materials, and surface treatments not available in standard catalogs. The engineering team supports application review, profile selection, and preload calculation.
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