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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]
51124	120	155	25	308	89	2300	1500
51122	110	145	25	288	87.1	2400	1600
51120	100	130	25	268	85	2500	1600
51119	90	120	22
51118	90	120	22	190	59.7	2900	1900
51117	85	110	19	150	45.9	3200	2100
51116	80	105	19	141	44.6	3300	2100
51115	75	100	19	127	42.3	3400	2200
51114	70	95	18	127	43	3600	2300
51113	65	90	71	117	41.7	3700	2400
51112	60	85	17	113	41.4	4000	2600
51111	55	78	16	93.1	34.8	4300	2800

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]
51124						2300	1500
51122						2400	1600
51120						2500	1600
51119
51118						2900	1900
51117						3200	2100
51116						3300	2100
51115						3400	2200
51114						3600	2300
51113						3700	2400
51112						4000	2600
51111						4300	2800

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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.