51100&51200 series thrust ball bearings

51100 and 51200 series single‑direction thrust ball bearings are designed to carry heavy axial loads in one direction. With standard dimensions, high rigidity and smooth operation, they are widely used in machine tools, lifting equipment, automotive and general industrial machinery.

Classification :

Thrust Bearings

Keywords :

thrust ball bearing, 51100 series bearing, 51200 series bearing, single direction thrust bearing, axial load bearing, machine tool thrust bearing, industrial thrust bearing, heavy duty thrust bearing, standard thrust ball bearing, crane thrust bearing

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📌 Category Detail

51100 and 51200 series are single‑direction thrust ball bearings composed of shaft washer, housing washer, steel balls and cage.

51100 series: Thin section, compact structure, suitable for light to medium axial loads
51200 series: Higher load capacity, wider width, suitable for medium to heavy axial loads

Both series feature standard metric sizes, good interchangeability and long service life.

🔥 Hot Selling Models & Dimensions

Model	Dimensions (mm)	Model	Dimensions (mm)	Model	Dimensions (mm)
51100	10×24×9	51101	12×26×9	51102	15×28×9
51103	17×30×9	51104	20×35×10	51105	25×42×11
51106	30×47×11	51107	35×52×12	51108	40×60×13
51109	45×65×14	51110	50×70×14	51111	55×78×16
51112	60×85×17	51113	65×90×18	51114	70×95×18
51115	75×100×19	51116	80×105×19	51117	85×110×19
51118	90×120×22	51120	100×135×25	51122	110×145×25
51124	120×155×25	51126	130×170×30	51128	140×180×31
51130	150×190×31	51132	160×200×31	51134	170×215×34
51136	180×225×34	51138	190×240×37	51140	200×250×37
51144	220×270×37	51148	240×300×45	51152	260×320×45
51156	280×350×53	51160	300×380×62	51164	320×400×63
51168	340×420×64	51172	360×440×65	51176	380×460×65
51180	400×480×65	51184	420×500×65	51188	440×540×80
51192	460×560×80	51196	480×580×80	51200	10×26×11
51201	12×28×11	51202	15×32×12	51203	17×35×12
51204	20×40×14	51205	25×47×15	51206	30×52×16
51207	35×62×18	51208	40×68×19	51209	45×73×20
51210	50×78×22	51211	55×90×25	51212	60×95×26
51213	65×100×27	51214	70×105×27	51215	75×110×27
51216	80×115×28	51217	85×125×31	51218	90×135×35
51220	100×150×38	51222	110×160×38	51224	120×170×39
51226	130×190×45	51228	140×200×46	51230	150×215×50
51232	160×225×51	51234	170×240×55	51236	180×250×56
51238	190×270×62	51240	200×280×62	51244	220×300×63
51248	240×340×78	51252	260×360×79	51256	280×380×80
51260	300×420×95	51264	320×440×95	51268	340×460×96
51272	360×500×110	51280	400×540×112	51292	460×620×130

✅ Key Features

Single‑direction axial load design
High rigidity and strong load capacity
Standard dimensions for global interchangeability
Smooth rotation, low friction, long service life
Compact structure, easy installation
Suitable for low‑to‑medium speed axial loading

💼 Typical Applications

Machine tool spindles and vertical lathes
Crane hooks, hoists and lifting machinery
Automotive clutches, gearboxes and transmissions
Pumps, compressors and reducers
Packaging, textile and general industrial equipment

Category Overview

Thrust Bearings are specially designed to carry axial (thrust) loads and prevent axial displacement in rotating machinery. They are widely used in equipment requiring stable axial positioning and heavy axial load capacity. Our product range includes Thrust Ball Bearings and Thrust Roller Bearings in standard international sizes, offering high rigidity, stable performance, and long service life for light to heavy‑duty industrial applications.

Our Series Breakdown

Series	Features	Typical Applications
Thrust Ball Bearings	Single‑direction or double‑direction design, compact structure, low friction, high speed suitability, easy installation, interchangeable international sizes	Pumps, fans, small gearboxes, automotive components, lifting machinery, precision instruments
Thrust Roller Bearings	Cylindrical or tapered roller design, ultra‑high axial load capacity, strong impact resistance, high rigidity, suitable for heavy and shock loads	Large reducers, presses, rolling mills, cranes, heavy construction machinery, marine equipment

Core Advantages

Specialized for high axial load carrying capacity
Stable axial positioning and reliable operation
Low friction, high mechanical efficiency
Standardized dimensions for global interchangeability
Strong resistance to shock and heavy working conditions
Long service life and reduced maintenance frequency

Typical Applications

Widely used in pumps, fans, gearboxes, cranes, presses, rolling mills, marine equipment, automotive transmissions, construction machinery, and various industrial machines requiring axial load support.

PRODUCT TESTING

Bearing Forging

Bearing Annealing

Turning Process

Quenching

Bearing Assembly

Bearing Clearance Testing

Grease injection

Bearing Marking

Thrust Bearings