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Thrust Ball Bearing

Thrust ball bearings are designed to withstand thrust loads when running at high speeds. They are composed of a washer-shaped ring with a raceway groove for ball rolling. Since the ring is seat-shaped, thrust ball bearings are divided into two types: flat seat pad type and self-aligning spherical seat pad type. In addition, this type of bearing can withstand axial loads but not radial loads.

Bearing composition: Thrust ball bearings are composed of three parts: seat ring, shaft ring and steel ball cage assembly. The one that matches the shaft is called the shaft ring, and the one that matches the housing is called the seat ring.

Design and variation

Product details

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Model number	Basic size			Basic load rating		Rated speed
				Dynamic state	Static	Reference speed	Limiting speed
	d [mm]	D [mm]	B [mm]	C [kN]	C₀ [kN]	[r/min]	[r/min]
51214	70	105	27	189	73.6	2800	1800
51213	65	100	27	189	74.8	2900	1900
51212	60	95	26	179	73.6	3000	1900
51211	55	90	25	159	69.4	3200	2100
51210	50	78	22	111	48.5	3600	2300
51209	45	73	20	105	47.7	4000	2600
51208	40	68	19	98.3	46.9	4200	2700
51207	36	62	18	78.2	39.2	4500	2900
51206	30	52	16	58.2	29.3	5200	3400
51205	25	47	15	50.4	27.8	5500	3600
51204	20	40	14	37.7	22.3	6000	3900
51203	17	35	12	27.3	17.2	7500	4900

Model number	Basic size			Basic load rating		Rated speed
				Dynamic state	Static	Reference speed	Limiting speed
	d [in]	D [in]	B [in]	C [Ibf]	C₀ [Ibf]	[r/min]	[r/min]
51214						2800	1800
51213						2900	1900
51212						3000	1900
51211						3200	2100
51210						3600	2300
51209						4000	2600
51208						4200	2700
51207						4500	2900
51206						5200	3400
51205						5500	3600
51204						6000	3900
51203						7500	4900

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Product type, design and form

Two-way Thrust Ball Bearings

Two-way thrust ball bearings can bear two-way axial loads. Its shaft ring matches the shaft, and the mounting surface of the seat ring is spherical, which has self-aligning performance and can reduce the impact of installation errors.

One-way Thrust Ball Bearings

One-way thrust ball bearings can only bear one-way axial loads. This type of bearing is suitable for parts that only bear axial loads on one side, such as crane hooks, vertical water pumps, etc.

Advantage

1. Various types: Available in one-way and two-way types, suitable for axial loads in different directions

2. Self-aligning performance: Bidirectional thrust ball bearings have self-aligning performance, which can reduce the impact of installation errors

3. High-quality materials: Ultra-clean steel and high-quality steel balls are used to extend bearing life and improve performance

Application

Suitable for low-speed parts, such as crane hooks, vertical water pumps, vertical centrifuges, jacks, low-speed reducers, etc.