When the axis of the shaft and the bearing mounting surface are perpendicular to each other, "flange bearings" are used. There are three kinds that are available in the market. Each kind will have 2, 3 or 4 holes. This is to offer precise mounting fits method and load support. The kind with 2 holes is diamond shaped where the top and bottom ends are where the 2 holes located. The kind with 3 holes are triangularly distributed and the one with 4 are squarely distributed. It may be round but the distribution of the 4 holes are equally done as the corners of a square. When choosing what you need, it is very important to know the size of the shaft, the radial and load it can hold.

The bearing are wrapped from a cold formed homogenous bronze(CuSn8) with exceptional material properites.The Standard sizes are fitted with diamond shaped lubrication indents  in the bearing surface.These indents serve as lubricant  reservoirs to rapidly build up a lubrication film at the start of movement and thereafter reduce the running friction.The material is suitable for construction and agricultural machinery applications.

China SANBURG INT'L LIMITED has its own professional bearing manufactures and could insure customes with products of high quality, mainly in miniature deep groove ball bearings(with flange), small & medium deep groove ball bearings, double row angular contact ball bearings, self-aligning ball bearings, spherical ball bearings with block, automobile alternator ball bearings, air-conditioner ball bearings, wheel hub ball bearings(units),non-standard ball bearings etc, the accuracy of all these series could reach from ABEC-1(Po) to ABEC-7(P4), the vibration level from V1 to V3, the noise level from Z1 to Z4. The China Longteng Pipeline Equipment Co.,Ltd bearing strictly follows international quality management system IS09001:2000 and ISO 14000.Welcome to contact us if there is any inquiry you need. E-mail: susan@srg-bearings.com

For several programs SKF also produces stainless deep groove ball bearings by having an exterior flange around the outer ring. The flange allows the bearings to become axially situated within the housing. This kind of arrangement really is easy in design and saves space the housing bore do not need to be so costly to machine as housing shoulders aren't needed.SKF flanged stainless bearings can be found in a wide open design, designation suffix R (fig) along with a shielded version, having a Z shield at each side, designation suffix 2ZR