Double row spherical roller bearings

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Double-row spherical roller bearing is a combination of radial and axial bearing. It is designed to operate even if shaft and housing are, or become, misaligned under load. The internal design of bearing enables them to withstand very high radial loads and axial loads in both directions. This type of heavy duty bearing is the favored choice when conditions include heavy loads, difficulties in establishing or maintaining housing alignment, or when shaft deflection is expected. Bearing can take high degrees of misalignment depending on the size and series of the bearing. Shaft deflection and housing distortion caused by shock or heavy loads, which lead to misalignment, are compensated for by the internal self-alignment of the bearing elements during operation. Corner loading of rollers, a condition that limits service life on other types of bearings, cannot develop in spherical roller bearings. The inherent compensation for misalignment provided by the spherical roller bearing offers the designer the opportunity to use weldments for housing frames instead of complex castings, eliminating high cost machining operations. Even when castings may be preferred, bore alignment is less critical if spherical roller bearings are specified. Unit design and construction also make the spherical roller bearing convenient to handle during installation or maintenance. Most types have circular groove and lubricating holes in the outer ring. This feature facilitates more effective lubrication. NIBL manufactures spherical roller bearings with cylindrical and tapered bore. Tapered bore bearings may be used either in Plummer blocks or conventional housings.

Bearing Number	Bore Dia	Outer DIa	Width	Size
260 mm x 440 mm x 144 mm SNR 23152EMKW33C4 Double row spherical roller bearings	Oil Supply Type	Tapered hole adapter	60	Cast Iron
260 mm x 440 mm x 144 mm SNR 23152EMKW33C3 Double row spherical roller bearings	Single	6	Yes (with retaining	6904
260 mm x 440 mm x 144 mm SNR 23152EMKW33C2 Double row spherical roller bearings	39500	No	Radial	6
380 mm x 620 mm x 194 mm NTN 23176BKC3 Double row spherical roller bearings	UC204-12G2	M6x1	22.5 mm	100 °C
360 mm x 600 mm x 192 mm SNR 23172EMW33C4 Double row spherical roller bearings	130 mm	184 mm	22 Nm	104 mm
260 mm x 440 mm x 144 mm SNR 23152EMKW33 Double row spherical roller bearings	VV (Non-Contact Rubb	Deep Groove Ball Bea	6	Double
380 mm x 620 mm x 194 mm NTN 23176B Double row spherical roller bearings	Deep Groove Ball Bea	VV (Non-Contact Rubb	Single	Flange Type
360 mm x 600 mm x 192 mm SNR 23172EMW33 Double row spherical roller bearings	17mm	58 mm	18.2 kN	24 mm
360 mm x 600 mm x 192 mm SNR 23172EMW33C3 Double row spherical roller bearings	190 mm	23.2 kN	49.21 mm	FA210-
NTN 23152EMKD1C4 Double row spherical roller bearings	Insert Bearing Unit	Square flange shape	Tapered hole adapter	Steel plate cover mo
360 mm x 600 mm x 192 mm SNR 23172EMKW33C3 Double row spherical roller bearings	15.5 mm	33.3 mm	12.7 mm	19 mm
360 mm x 600 mm x 192 mm SNR 23172EMKW33 Double row spherical roller bearings	53.98 mm	15 mm	3.17 kg	27.8 mm