NTN Spherical Roller Bearings

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NTN spherical roller bearings for high-speed applications offers customers more flexibility to design large industrial gearboxes with higher motor speed. A higher motor speed capability in gearboxes helps integrators and end-users lower costs by using 4-pole motors instead of 6-pole motors and utilizing the full potential of the gearbox.A spherical roller bearing is a type of roller bearing device that reduces friction between moving parts and supports high radial loads and axial (thrust) loads in both directions. A spherical roller bearing is intended for applications where severe misalignment occurs from either mounting or shaft deflection.

Spherical roller thrust bearings have specially designed raceways and asymmetrical rollers. The bearings can accommodate axial loads acting in one direction and simultaneously acting radial loads. The load is transmitted between the raceways via the rollers at an angle to the bearing axis, while the flange guides the rollers .

Bearing Number	Bore Dia	Outer DIa	Width	Size
900 mm x 1 280 mm x 280 mm NTN 230/900B Spherical Roller Bearings	140 mm	26.490 kN	150 kN	24 mm
900 mm x 1 180 mm x 206 mm NTN 239/900 Spherical Roller Bearings	160.000 mm	1.00 mm	49400 N	20.00 mm
NTN 232/850B Spherical Roller Bearings	0.76	9 kN	440 mm	234 kN
850 mm x 1 360 mm x 400 mm NTN 231/850B Spherical Roller Bearings	5300 rpm	23.00 mm	4300 rpm	65500 N
850 mm x 1 220 mm x 365 mm NTN 240/850B Spherical Roller Bearings	420.0000 mm	4.00 mm	1800 rpm	553000 N
NTN ☆2P17012 Spherical Roller Bearings	SNW 3026x4.5/16	40.922 mm	5/8-11 UNC	109.537 mm
NTN ☆2P17011 Spherical Roller Bearings	528 mm	300 mm	300 mm	BC4.5/W20
NTN 2P17001 Spherical Roller Bearings	70.000 mm	186000 N	172000 N	No Shield, no Seal
850 mm x 1 220 mm x 272 mm NTN 230/850B Spherical Roller Bearings	6400 rpm	25.00 mm	45.000 mm	1.50 mm
850 mm x 1 120 mm x 200 mm NTN 239/850 Spherical Roller Bearings	One Shield & Snap-Ri	6300 rpm	2.00 mm	7500 rpm
NTN 238/850 Spherical Roller Bearings	H7	180 mm	7.5 kg	124 °
800 mm x 1 280 mm x 375 mm NTN 231/800B Spherical Roller Bearings	93000 N	88000 N	28.00 mm	85.000 mm