Single row or matched pairs of angular contact ball bearings

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Matched Pair Angular Contact Bearings, also called duplex bearings, are machined as matched sets. The pairs are furnished with the race faces ground to provide preload when installed. To accomplish this, a gap is provided between the inner races or outer race of the pair.

There are three types duplex bearing arrangements commonly used and they are Back to Back, Face to Face and Tandem bearing arrangement.

It is a type of duplex bearing arrangement where the two half are placed so that contact angle lines of the bearing converge inwardly. And these contact angle lines form ‘X’ shape, hence called as “X arrangement”.
In face to face arrangement a gap is provided between outer races and when installed, this gap is closed and producing a preload on the bearings. DF arrangement has lower moment stiffness, so they must be spaced sufficiently to provide resistance to moment load.
They can carry heavy radial loads, combined radial and thrust loads, reversing thrust load.

Bearing Number	Bore Dia	Outer DIa	Width	Size
100,000 mm x 215,000 mm x 47,000 mm NTN 7320BG Single row or matched pairs of angular contact ball bearings	120 °C	1.5625 in	Uncoated	C3
100 mm x 215 mm x 47 mm SNR 7320.BG.M Single row or matched pairs of angular contact ball bearings	100 mm x 215 mm x 47 mm	-	-	-
100 mm x 215 mm x 47 mm NTN 7320B Single row or matched pairs of angular contact ball bearings	1200	Plastic	52mm	In Stock
95 mm x 200 mm x 45 mm NTN 7319BL1G Single row or matched pairs of angular contact ball bearings	MIL-B-5687C Type I C	2-1/4 in	Maximum of +250	Oil-Impregnated Sint
95 mm x 200 mm x 45 mm NTN 7319BL1G/GL Single row or matched pairs of angular contact ball bearings	Steel	Open	053893515199	3.4375 in
95,000 mm x 200,000 mm x 45,000 mm NTN 7319BG Single row or matched pairs of angular contact ball bearings	230	670000 lbs	Open	106 mm
95 mm x 200 mm x 45 mm NTN 7319B Single row or matched pairs of angular contact ball bearings	32500 lb	2.8750 in	5.0000 in	None
95 mm x 200 mm x 45 mm NTN 7319 Single row or matched pairs of angular contact ball bearings	Cast Iron	2.1875 in	3.0300 in	1.05 in
90 mm x 190 mm x 43 mm NTN 7318BL1G Single row or matched pairs of angular contact ball bearings	42 mm	OH 3056 H	280 mm	260 mm
90 mm x 190 mm x 43 mm NTN 7318BGC3 Single row or matched pairs of angular contact ball bearings	053893520117	4.08 lbs	4.7234 in	Class 3
90 mm x 190 mm x 43 mm NTN 7318BDBTT/GNPX5 Single row or matched pairs of angular contact ball bearings	Ambient	Exceptional Bearing	2.5960 in	29602-7309
90,000 mm x 190,000 mm x 43,000 mm NTN 7318BG Single row or matched pairs of angular contact ball bearings	C4	Open	75 mm	Lubrication Groove &