Manufactured by CHG Bearing, the 67388/67323D is a precision Double Row Tapered Roller Bearings. Key dimensional parameters include a 127 mm bore diameter, a 196.85 mm outer diameter, and a 107.95 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.

67388/67323D - Double Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 67388/67323D |
| Brand | CHG® |
| Bearing | Double Row Tapered Roller Bearing |
| Characteristics | |
| Series | 370000 |
| Number of Rows | Double Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 127 mm |
| Width (B) | 107.95 mm |
| Outer Diameter (D) | 196.85 mm |
| Bore Diameter Tolerance | -0.04 – 0 mm |
| Outside Diameter Tolerance | -0.045 – 0 mm |
| Inner Ring Chamfer | 4 mm |
| Outer Ring Chamfer | 2.5 mm |
| Inner Ring Assembly Width Tolerance | -0.40 – 0 mm |
| Outer Ring Assembly Width | 120 mm |
| Outer Ring Assembly Width Tolerance | -0.45 – 0 mm |
| Shaft Abutment Diameter | 342 mm |
| Housing Abutment Diameter | 431.5 mm |
| Lubrication Hole Diameter | 7 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 1090 kN |
| Basic Static Load Rating C0 (kN) | 2420 kN |
| Material | |
| Mass (kg) | 50 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 14 mm |
| Roller Material | Bearing Steel |
67388/67323D 196.85 mm 127 mm Frequently Asked Questions about 67388/67323D Double Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
The CHG Bearing 67388/67323D 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.
Standard batches of CHG Bearing 67388/67323D conform strictly to ISO Class Normal (ABEC-1). For high-precision machine tool spindles, gearboxes, or robotics requiring tighter runouts, CHG Bearing can provide custom batches graded to ISO Class 6 (P6/ABEC-3) or ISO Class 5 (P5/ABEC-5) with 100% micrometer verification.
For international ocean and air freight, CHG Bearing packs 67388/67323D 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.
Yes, CHG Bearing works closely with industrial OEMs and brand distributors. We offer turnkey custom engineering for 67388/67323D, including laser-etched customer logos, custom internal radial clearances, specialized grease formulations, and bespoke protective packaging.
