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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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Display order: Metric Imperial

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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]
51110	50	70	14	75.4	28.8	4800	3100
51109	45	65	14	69.1	27.8	5000	3200
51108	40	60	13	62.8	26.9	5300	3400
51107	35	52	12	44.7	20.4	6000	3900
51106	30	47	11	42.2	20.4	6600	4300
51105	25	42	11	37.2	19.5	6800	4400
51104	20	35	10	24.7	14.2	7900	5100
51103	17	30	9	18.2	10.8	9400	6100
51102	15	28	9	16.8	10.5	9400	6100
51101	12	26	9	15.4	10.3	10000	6500
51100	10	24	9	14	10	10000	6500
BA3	3	8	3	0.8	0.7

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]
51110						4800	3100
51109						5000	3200
51108						5300	3400
51107						6000	3900
51106						6600	4300
51105						6800	4400
51104						7900	5100
51103						9400	6100
51102						9400	6100
51101						10000	6500
51100						10000	6500
BA3

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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.