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Thin Section Ball Bearings
Thin Section Ball Bearings were developed for applications where space limitations are of the utmost importance. As the name
implies, the difference between the inside and outside diameters of the rings has been minimized or thinned out. Of course this
comes at a price by compromising load capacities. However, these bearings can still accommodate a relatively light radial thrust
or combined loads.
BMZ has nearly 300 different models of thin section ball bearings organized into the following numerical series:
SR Series – Inch dimensional series with bore sizes ranging from 3/8” to 1-5/8”
6700 Series – Metric dimensional series for very limited space applications and very light loads
6800 Series – Metric dimensional series for limited space applications and light loads
63800 Series – A hybrid between the 6800 and 6900 Series with the load capacities of the 6800 series but the
width of the 6900 series.
6900 Series – Metric dimensional series for limited space applications and heavier loads
BMZ’s Thin Section Ball Bearings are produced open, shielded, sealed or with various combination of closures. ABEC-1 through
ABEC-5 precision levels are also available on most models. The standard material is 52100 Chrome steel but they are also available
in stainless steel. Also, virtually all metric series models are available with a flange for mounting if desired.