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
10 mm x 30 mm x 9 mm NTN 7200 Single row or matched pairs of angular contact ball bearings	RoHS, REACH, DRC Con	1-3/4 in	7/8 in	Flanged Bearing
140,000 mm x 210,000 mm x 33,000 mm NTN 7028BG Single row or matched pairs of angular contact ball bearings	4208jc3-nsk	40mm	80mm	Steel
170,000 mm x 260,000 mm x 42,000 mm NTN 7034B Single row or matched pairs of angular contact ball bearings	980	190mm	Steel	1940
85,000 mm x 150,000 mm x 28,000 mm SNR 7217BGM Single row or matched pairs of angular contact ball bearings	85,000 mm x 150,000 mm x 28,000 mm	-	-	-
110 mm x 170 mm x 28 mm NTN 7022 Single row or matched pairs of angular contact ball bearings	Uncoated	26820, 26822, 26824	26800	1.3780 in
65 mm x 100 mm x 18 mm NTN 7017L1 Single row or matched pairs of angular contact ball bearings	Non-Flanged Cup	Open	1.7500 in	855
85 mm x 130 mm x 22 mm NTN 7017B Single row or matched pairs of angular contact ball bearings	1-3/8 in	Flanged Bearing	1-1/8 in	1200 fp/min
65 mm x 100 mm x 18 mm NTN 7013L1 Single row or matched pairs of angular contact ball bearings	Lubrication Fitting	Round	Triple Lip with Flin	Polymer
65 mm x 100 mm x 18 mm NTN 7013 Single row or matched pairs of angular contact ball bearings	HN/SNL	Mounting Tool Kit	65 mm x 100 mm x 18 mm	-
50 mm x 80 mm x 16 mm NTN 7010 Single row or matched pairs of angular contact ball bearings	19 mm	Round	C3	45 mm
60 mm x 95 mm x 18 mm NTN 7012 Single row or matched pairs of angular contact ball bearings	15 N/mm2;S	BCB	RoHS	Bronze with Embedded
45 mm x 75 mm x 16 mm NTN 7009 Single row or matched pairs of angular contact ball bearings	43mm	C3	170mm	In Stock