2347 Series Double Angular Contact Thrust Ball Bearings-Luoyang Rockewell Precision Bearing Co.,Ltd

2347 Series Double Angular Contact Thrust Ball Bearings

	Type	Main dimensions			Rated load		Rated speed
					Dynamics	Static	Speed limit
Mail		d[mm]	D[mm]	B[mm]	C[kN]	C₀[kN]	[r/min]
	234756M P4	289	420	41	390.0	1270.0	1300.0
	234756M P4	269	400	41	380.0	1180.0	1400.0
	234746M P4	248	360	36	325.0	965.0	1500.0
	234746M P4	228	340	36	315.0	900.0	1600.0
	234742M P4	207	310	33	265.0	720.0	1800.0
	234738M P4	197	290	30	224.0	630.0	1900.0
	234736M P4	187	280	30	216.0	585.0	2000.0
	234734M P4	176	260	27	193.0	520.0	2200.0
	234732M P4	165	240	24	156.0	415.0	2400.0
	234730M P4	155	225	22	132.0	355.0	2600.0
	234728M P4	145	210	21	122.0	320.0	2600.0
	234726M P4	135	200	21	118.0	300.0	2800.0
	234724M P4	124	180	18	93.0	240.0	3200.0
	234722M P4	114	170	18	90.0	224.0	3400.0
	234721M P4	109	160	16	69.5	176.0	3600.0
	234720M P4	103	150	15	62.0	156.0	3800.0
	234719M P4	98	145	15	61.0	150.0	4000.0
	234719M P4	98	145	15	61.0	150.0	4000.0
	234718M P4	93	140	15	61.0	146.0	4000.0
	234717M P4	88	130	13	52.0	125.0	4500.0

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Dentail

Double Angular Contact Arrangement：The 2347 Series Double Angular Contact Thrust Ball Bearings feature a meticulously designed double-row structure. The two rows of rolling elements are symmetrically distributed, each forming a precise contact angle, with the corresponding raceway. This unique configuration enables it to outstandingly handle bidirectional axial thrusts and ensure the stable operation of equipment under complex force conditions.
High-quality Component Fabrication：The rolling elements are made of top-grade steel and have undergone fine grinding, with a mirror-like smooth surface and the dimensional accuracy strictly controlled to the micrometer level, fitting tightly with the raceway to effectively reduce friction losses; the rings are forged and processed through multiple complex processes from high-strength alloys, possessing impeccable roundness, cylindricity and surface hardness, providing a solid support for the rolling elements.
Adaptable Cage：The cage selects high-strength engineering plastics or alloy materials based on the movement characteristics of the rolling elements. The structural design is optimized exquisitely. It can methodically guide the cyclic movement of the rolling elements, prevent collisions between them and also adapt to high-speed operation to maintain dynamic balance.
Superior Axial Load-bearing：Thanks to the ingenious double-row architecture and reasonable contact angle, it has outstanding axial load-bearing capacity. It shines in fields such as hydro turbines in large water conservancy hubs, generators in thermal power stations and machine tool spindles in heavy mechanical processing, calmly bearing huge axial forces.
High-speed Smooth Operation：The precise cooperation of components results in minimal vibration and almost no noise during operation, perfectly meeting the stringent requirements of speed and stability for high-speed cutting machine tools and high-speed rotating equipment, significantly improving operating efficiency.
Precise Axial Positioning：Each component is inherently of high precision, ensuring accurate axial positioning, providing a reliable guarantee for precision machining and measuring equipment, helping the high-end manufacturing field to achieve ultimate precision.

Application

The bearings can be used in the following industries

Energy and Power：In the critical thrust bearing positions of hydro turbines and generators, it stably bears the massive axial forces generated by water flow impact and electromagnetic forces, safeguarding efficient energy conversion and transmission.
Heavy Manufacturing：As the mainstay of the spindles of core equipment such as heavy machine tools and large rolling mills, it helps to overcome the difficulties of high-precision and large-load machining and drives the mechanical manufacturing to a higher level.
Precision Engineering：Used in the axial positioning hubs of precision instruments such as high-precision grinding machines and coordinate measuring machines, it meets the requirements of high precision and stable transmission for microscopic manipulation, empowering scientific research and detection work to reach new heights.