QA Bearing™ Technologies Ltd.

Thrust bearings

Radial bearings

Mud-
lubricated
bearings

Bushings
and plain
bearings

Seals

Other
related
products

© 2010 QA Bearing™ Technologies Ltd.
    9769 45th Avenue - Edmonton AB
    Ph (780) 437 9510
    Fax (780) 437 9501

    QA Bearing™ Technologies USA Inc.
    11255 Windfern Road, Suite B
    Houston TX 77064
    Ph (281) 897-9500
    Fax (281) 897-9504

Existing Patents on file...

1. Thrust Bearing (DynaBearing): A maximum capacity cylindrical roller thrust bearing. USA Patent No. 6,883,970 April 2005 Canadian Patent No. 2 292 286 July 2004
2. Concentric radii ball bearing stack: A self-aligning mud lubricated ball bearing stack. USA Patent No. 7,246,947 July 2007 [CDN Patent Application No. 2 504 233 Filed April 2005]
1. Bearing with pass or fail wear gauge: A unitized angular contact mud lubricated ball bearing with ball wear gauge feature. USA Patent No. 7,401,982 July 22 2008 [Canadian Patent Application No. 2 498 748 Filed Feb 2005]

Patents Pending application approval...

2. Sealed Bearing: A full complement ball or tapered roller thrust bearing with unifying seal elements. USA Patent Application No. 11/846,008 Filed Aug 2007 Canadian Patent Application No. 2,587,904 Filed April 2007
3. Non-diametrical multi-contact ball bearing: a high capacity unitized mud lubricated ball bearing. US Patent Application No. 12/237,641 Filed Sept 2007 Canadian Patent Application No. 2,603,390 Filed Sept 2007
4. Unitized 4-point angular contact mud lubricated ball bearing. US Patent Application No. (TBA) Filed Sept 2007 Canadian Patent Application No. (TBA) Filed Sept 2007