BCHH Four Row Tapered Roller Bearings represent the pinnacle of our 20+ years of engineering excellence
in heavy-duty bearing manufacturing. Produced under ISO 9001 certified quality systems, these
ultra-heavy-duty bearings feature four rows of precision-ground tapered rollers arranged in two
X-configurations, delivering unmatched radial and bidirectional axial load capacity. Manufactured from
premium vacuum-degassed steel with advanced heat treatment technology, they provide exceptional
durability, extreme load capability, and reliable performance in the most severe industrial applications.
Applications:
Rolling mill equipment and steel production machinery
Large mining excavators and crushers
Heavy-duty industrial gearboxes
Crane and hoisting systems
Large diameter rotary tables
Marine propulsion and offshore equipment
Equip your heaviest machinery with BCHH Four Row Tapered Roller Bearings. Contact our engineering team
today for technical specifications and competitive pricing. Request product documentation and application
engineering support.
| Inquiry | Bearing Number | Basic Dimensions | ||||
|---|---|---|---|---|---|---|
| Type1 | Type2 | d | D | B | ||
| 77888U | 77888U | 440 | 620 | 454 | ||
| 77888 | 77888 | 440 | 620 | 454 | ||
| 77788 | 77788 | 440 | 650 | 355 | ||
| 77788K | 77788K | 440 | 650 | 355 | ||
| 1077992 | 381992/HC | 460 | 620 | 310 | ||
| 1077992U | 381992/HCC9 | 460 | 620 | 310 | ||
| 77892U | 380692/HCC9 | 460 | 650 | 474 | ||
| 381096 | 480 | 700 | 420 | |||
| 779/540 | 380698/HC | 490 | 625 | 385 | ||
| 771/600 | 3806/600 | 600 | 800 | 365 | ||
| 771/600 | 3810/600/HC | 600 | 870 | 480 | ||
| 10777/600 | 3811/600 | 600 | 980 | 650 | ||
| 771/630 | 3810/630 | 630 | 920 | 515 | ||
| 777/650K | 777/650K | 650 | 1030 | 560 | ||
| 777/650 | 777/650 | 650 | 1030 | 560 | ||
| 777/650U | 777/650U | 650 | 1030 | 560 | ||
| 777/650UY | 777/650UY | 650 | 1030 | 560 | ||
| 10779/670 | 3819/670 | 670 | 900 | 412 | ||
| 779/710 | 779/710 | 710 | 900 | 410 | ||
| 10777/750 | 3811/750 | 750 | 1220 | 840 | ||
"To make the best quality in most competitive price",is our principle and "To support our clients enlarge their local market in max" is our continuous target