Manufactured by CHG Bearing, the 6318ZZMB is a precision Deep Groove Ball Bearings. Key dimensional parameters include a 90 mm bore diameter, a 190 mm outer diameter, and a 43 mm overall width. This component is designed to meet standard load requirements and ensure consistent operational performance. For comprehensive technical evaluation, please explore the detailed specifications, dimensional data, product images, and CAD drawings provided below. A complete PDF data sheet is also readily available for direct download to support your engineering and procurement needs.
6318ZZMB - Deep Groove Ball Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 6318ZZMB |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type | Open |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Load Direction | Radial |
| Dimensions | |
| Bore Diameter (d) | 90 mm |
| Width (B) | 43 mm |
| Outer Diameter (D) | 190 mm |
| Bore Diameter Tolerance | -0.01 – 0 mm |
| Outside Diameter Tolerance | -0.015 – 0 mm |
| Width Tolerance | -0.2 – 0 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 134 kN |
| Basic Static Load Rating C0 (kN) | 102 kN |
| Material | |
| Mass (kg) | 6.24 kg |
| Ring Material | Bearing Steel |
| Cage Material | Brass |
| Ball Material | Bearing Steel |
6318ZZMB 190 mm 90 mm 43 mm Frequently Asked Questions about 6318ZZMB Deep Groove Ball Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The Open engineered for 6318ZZMB by CHG Bearing utilizes precision non-contact metal shields or reinforced NBR/FKM contact lip seals. This barrier prevents particulate ingress, washdown fluids, and abrasive dust from reaching the raceways while eliminating grease leakage under centrifugal forces.
As a primary manufacturer, CHG Bearing supports both trial batch evaluations and container-load supply for 6318ZZMB. Standard catalog sizes are stocked for rapid 3–7 day dispatch, while high-volume OEM production runs typically dispatch within 30–45 days.
Engineered according to international ISO boundary plans, CHG Bearing supplies 6318ZZMB with a precision bore diameter (d) of 90 mm, an outside diameter (D) of 190 mm, and a nominal ring width (B) of 43 mm. This configuration yields an effective cross-sectional wall thickness of 50.0 mm and an envelope ratio (D/d) of 2.11, delivering compact rigidity for OEM machinery housings.
Quality starts with raw material selection: CHG Bearing crafts 6318ZZMB inner and outer rings from high-purity High-Quality Chrome Steel (GCr15/100Cr6). Our raw billets undergo vacuum degassing and secondary ESR (electroslag remelting) processes to drastically eliminate non-metallic sulfide and oxide inclusions, elevating subsurface contact fatigue resistance.
