Manufactured by CHG Bearing, the 777/650 is a precision Four-Row Tapered Roller Bearings. Key dimensional parameters include a 650 mm bore diameter, a 1030 mm outer diameter, and a 560 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.
777/650 - Four-Row Tapered Roller Bearings
Technical Specifications
| Overview | |
|---|---|
| Part Number | 777/650 |
| Brand | CHG® |
| Characteristics | |
| Bearing Type | Four Row Tapered Roller Bearing |
| Number of Rows | Four Row |
| Tolerance Class | P0 |
| Dimensions | |
| Bore Diameter (d) | 650 mm |
| Width (B) | 560 mm |
| Outer Diameter (D) | 1030 mm |
| Bore Diameter Tolerance | -0.075 – 0 mm |
| Outside Diameter Tolerance | -0.125 – 0 mm |
| Inner Ring Chamfer | 9.5 min mm |
| Outer Ring Chamfer | 15 min mm |
| Inner Ring Assembly Width Tolerance | -3 – 0 mm |
| Outer Ring Assembly Width | 560 mm |
| Outer Ring Assembly Width Tolerance | -3 – 0 mm |
| Shaft Abutment Diameter | 684 mm |
| Housing Abutment Diameter | 962 mm |
| Lubrication Hole Diameter | 12.5 mm |
| Performance | |
| Basic Dynamic Load Rating C (kN) | 13800 kN |
| Basic Static Load Rating C0 (kN) | 34600 kN |
| Material | |
| Mass (kg) | 1820 kg |
| Ring Material | Case-Hardened Steel / Bearing Steel |
| Rolling Element Material | Case-Hardened Steel / Bearing Steel |
| Cage Material | Grade 45 Steel / 08Al Steel / Grade 10 Steel |
| Lubrication Groove Width | 23.5 mm |
777/650 1030 mm 650 mm 560 mm Frequently Asked Questions about 777/650 Four-Row Tapered Roller Bearings
Find key technical answers regarding dimensions, specifications, and replacement options for this model.
Engineered according to international ISO boundary plans, CHG Bearing supplies 777/650 with a precision bore diameter (d) of 650 mm, an outside diameter (D) of 1030 mm, and a nominal ring width (B) of 560 mm. This configuration yields an effective cross-sectional wall thickness of 190.0 mm and an envelope ratio (D/d) of 1.58, delivering compact rigidity for OEM machinery housings.
Every production batch of CHG Bearing 777/650 Four-Row Tapered Roller Bearings comes with complete traceability. Upon shipment, CHG Bearing can provide EN 10204 3.1 Material Test Reports (MTR), Certificates of Conformity (CoC), spectral chemical composition analysis, and dimensional inspection sheets.
The Open Type engineered for 777/650 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.
For international ocean and air freight, CHG Bearing packs 777/650 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.
