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Top Drive Bearing

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The top drive systems turning drill strings atop today's platforms represent a major improvement over older drilling rig technologies. In part, top drive systems are enabling the use of extended-reach well bores and helping to reduce production costs.The supports the weight of the drill string, while simultaneously acting as a rotating passageway to permit drilling mud to flow into the drill string. The top drive, additionally, provides the torsional force needed to turn the drill string.


Our tapered roller bearings are engineered with profiled rollers and enhanced surface finishes that result in longer operational life. Top Drive and Swivel Bearings Forum provides a wide range of highly engineered thrust bearings specially designed to address the impact loading present in top drive and swivel applications.Our top drives are engineered and manufactured to API 8-C standards and carry the API monogram, setting the standard for safety, reliability and efficiency. Superbly engineered products and unparalleled service have moved the company to the forefront of the top drive.


SL04 5024PP top drive Bearing

1250 r/min 28.575 mm
5 32.5 kN

22248 CA/C9W33 top drive Bearing

76 mm 82.3 mm
12.7 mm 1.05

F-87656 top drive Bearing

45.000 mm 4500 rpm
4500 rpm Two Seals

4G32836H top drive Bearing

620 mm 45000 kN
730 mm 22.3 mm

NNF 5048 ADA-2LSV top drive Bearing

43000 N 60500 N
39.70 mm One Shield

NJ316M top drive Bearing

18000 N Two Seals & Snap-Rin
8500 rpm 50.000 mm

7602-0210-38 top drive Bearing

100 mm 180 mm
510 kN 8.3 mm

24072 /W33 top drive Bearing

619.125 mm 1672.65 g
SR-38-32 61.913 mm

E928/711.2QUY top drive Bearing

0.794 mm 23.813 mm
247.65 mm 31.75 mm

10-6487 top drive Bearing

1.5 mm 76.2 mm
Double-lip seals 5 °

O-1559-C top drive Bearing

43000 r/min 4.35 mm
4 mm 4.3 mm

NU 317 EM/C3 top drive Bearing

2 x M 30 23068 K
830 mm 400 N·m