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| Brand Name: | VIGOROUS |
| Moq: | 1 Piece |
| Price: | Negotiable |
| Payment Terms: | T/T,L/C |
| Supply Ability: | 500–2000 pcs/month |
This custom V-groove guide roller bearing is manufactured with full one-way cold forging + double-sided precision grinding process, integrating the outer stainless steel V-track race, inner deep groove ball bearing assembly, 4+ symmetrical anti-twist locking notches, and full closed dust seal in one precision assembly flow. The component is engineered for linear motion guide systems, automated sliding doors, CNC machine tool rail carriages, 3D printer axes, and packaging equipment transmission units, with strict control over V-groove concentricity, outer diameter runout, and internal bearing preload, to guarantee zero wobble, silent operation and long service life under 24/7 continuous linear travel.
This heavy duty guide roller is produced with full cold forging forming sequence before finish grinding, eliminating the welding or press-fit seam that would appear in separate assembled outer rings. Every feature on the part — including the full circular V-shaped race track around the outer perimeter, the 4 evenly distributed anti-twist locking notches on both end faces, the inner precision deep groove ball bearing, and the double-sided nitrile rubber dust seals — is calibrated and assembled under constant temperature metrology workshop conditions, to ensure perfect coaxial alignment between the inner bore, inner ball bearing race and the outer V-groove, no eccentric runout, no side slip when running along linear rails.
We support a wide selection of material grades to match different working scenarios: 304 / 316 stainless steel for corrosion resistant food processing and medical equipment, 420 hardened stainless steel for high load heavy transmission systems, bearing chrome steel (GCr15) for ultra long service life industrial applications. Every finished roller goes through 3 full inspection steps before packaging: V-groove runout test, no-load rotation smoothness check, and preload consistency validation, to make sure it glides perfectly along your matching rail without jamming or abnormal noise.
Item | Technical Specification |
|---|---|
Outer V-Groove Diameter | Customizable, standard stock 62mm |
Total Overall Width | 22mm, fully configurable |
Inner Bore Diameter | Customizable, standard stock 12mm |
V-Groove Included Angle | 90° / 120° / custom angle available |
V-Groove Surface Roughness | Ra 0.2 ~ Ra 0.4 |
V-Groove Concentricity & Runout | ≤ 0.003mm |
Internal Bearing Radial Clearance | C1 / C2 / Preload Zero-Play matched |
Available Materials | 304 Stainless Steel, 316 Stainless Steel, 420 Hardened Stainless Steel, GCr15 Bearing Chrome Steel |
Surface Treatment | Deburr & Polished, Passivation, Hard Chrome Plating, Black Oxide, Brushed Finish |
Grease Filling | High temperature low noise lithium grease, food grade NSF grease optional |
Dust Seal Type | Double-sided nitrile rubber closed seal, no exposed rolling elements |
Product Weight | 0.21kg (standard GCr15 stainless steel version) |
Processing Characteristics | One-way cold forging, double face precision grinding, race track super finishing, zero-play bearing matched assembly |
Production Capability | Prototype development, small batch production, mass manufacturing |
Applicable Industries | Linear Guide Systems, Automated Sliding Doors, CNC Machine Carriages, 3D Printer Axes, Packaging Equipment Transmission, Medical Laboratory Instruments |
One-Piece Cold Forging Integrated Outer Ring: The entire V-groove outer ring is formed via multi-station cold forging, no separate seam or welding joint, the grain flow of stainless steel material keeps continuous around the full V-track, delivering 2.7x higher impact resistance than ordinary machined split outer rings.
Double-Side Synchronous Precision Surface Grinding: Both end reference faces of the roller are ground simultaneously on double face grinder, parallel tolerance ≤ 0.005mm, no tilt between the two end faces, the roller will keep vertical to the rail when rotating, no side friction or edge wear.
V-Groove Race Track Super Finishing: After forming, the full V-shaped contact race goes through dedicated abrasive super finishing process, no micro tool mark on the contact surface, the V-track contact area reaches 95%+ with matching V rail, no point pressure concentration, extremely low rolling friction and almost zero wear even after 100,000+ meters of travel.
Zero-Play Precision Bearing Matching Assembly: The inner deep groove ball bearing core is pre-selected and matched to the outer ring housing under constant temperature metrology condition, radial clearance is controlled to user specified value, no wobble when you apply lateral load, no vibration even running at 3000RPM.
Full Sealed Dust Protection Structure: Double side nitrile rubber seals are press fitted after assembly, the grease inside will not leak out, dust, metal chips or splash liquid will not get into the rolling elements, the service life extends 3x longer than open type bearings.
Ultra low noise and smooth operation: The super finished V-track and pre matched bearing eliminate abnormal friction noise, it runs completely silent even under full 24 hour continuous working condition.
Extremely long wear life: Hardened stainless steel V-track surface reaches HRC 58~62 hardness, no indentation or deformation even under heavy lateral load, the roller can keep stable performance for over 5 years of regular use.
Perfect interchangeability between batches: All rollers are calibrated to same tolerance in constant temperature workshop, you can replace old rollers on site without re-adjusting the guide rail alignment, no extra calibration work needed.
100% custom to your drawings: We support full custom V-groove angle, outer diameter, inner bore size, material selection and grease type, from 1 prototype piece to 10,000+ mass production batches, fully follow your 2D/3D CAD files or original part samples.
Full traceable quality control: Every order comes with material test certificate, V-track runout inspection report, and rotation smoothness test record, you don't need to spend extra labor on incoming quality check.
