Manufactured by CHG Bearing, the 30334 is a precision Single Row Tapered Roller Bearings. Key dimensional parameters include a 170 mm bore diameter, a 360 mm outer diameter, and a 80 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.

30334 - Single Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 30334 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Single Row Tapered Roller Bearing |
| Number of Rows | Single Row |
| Tolerance Class | P5 |
| Dimensions | |
| Bore Diameter (d) | 170 mm |
| Width (B) | 80 mm |
| Outer Diameter (D) | 360 mm |
| Outer Ring Width C | 62 mm |
| Bore Diameter Tolerance | -0.018 – 0 mm |
| Outside Diameter Tolerance | -0.028 – 0 mm |
| Inner Ring Chamfer | 5 min mm |
| Outer Ring Chamfer | 4 min mm |
| Shaft Abutment Diameter | N/A mm |
| Housing Abutment Diameter | N/A mm |
| Overall Bearing Width Tolerance | -0.25 – +0.35 mm |
| Inner Ring Width B | 72 mm |
| Inner Ring Width Tolerance | -0.50 – 0 mm |
| Outer Ring Width Tolerance | -0.50 – 0 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 957 kN |
| Basic Static Load Rating C0 (kN) | 1400 kN |
| Material | |
| Mass (kg) | 28.8 kg |
| Ring Material | Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 10 Steel |
30334 360 mm 170 mm 80 mm Frequently Asked Questions about 30334 Single Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 30334 is rated for limiting speeds up to standard rated RPM under forced oil-mist or circulating oil lubrication regimes. When lubricated with factory-filled synthetic high-speed grease, safe continuous velocity is maintained at approximately 75% to 85% of the maximum nominal limit, preventing thermal runaway.
Beyond standard alloy steel, CHG Bearing can customize the 30334 Single Row Tapered Roller Bearings using AISI 440C stainless steel, black oxide coating, zinc-nickel plating, or hybrid ceramic (Si3N4) balls for applications involving chemical exposure, marine salt fog, or galvanic current hazards.
For international ocean and air freight, CHG Bearing packs 30334 with industrial VCI anti-corrosion barrier wrapping, sealed polybags, individual cartons, and fumigated ocean-worthy wooden crates. This multi-layer barrier guarantees rust-free storage for a minimum shelf life of 24 to 36 months.
Engineered according to international ISO boundary plans, CHG Bearing supplies 30334 with a precision bore diameter (d) of 170 mm, an outside diameter (D) of 360 mm, and a nominal ring width (B) of 80 mm. This configuration yields an effective cross-sectional wall thickness of 95.0 mm and an envelope ratio (D/d) of 2.12, delivering compact rigidity for OEM machinery housings.
