Rod End Bearings

PHS、POS、PHSA、POSA、SIT/K、SAT/K、PHS3, PHS4, PHS5, PHS6, PHS8, PHS10, PHS12, PHS14, PHS16, PHS18 ,PHS20 ,PHS22 ,PHS25 ,PHS28 ,PHS30, POS3 ,POS4, POS5 ,POS6, POS8 , POS10, POS12, POS14, POS16,POS18 ,POS20 ,POS22 ,POS25 ,POS28 ,POS30

Classification :

Rod End Bearings

Keywords :

Female thread rod end bearings,Male thread rod end bearings,POS & PHS series rod end bearings,SA & SI series rod end bearings,Stainless steel rod end bearings,Rod end bearings manufacturer,Maintenance-free rod ends,Rod end bearings for automotive

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PHS POS PHSA POSA SAT/K SIT/K Series Rod End Bearings

Keywords: rod end bearing, rose joint bearing, PHS ball joint, POS internal thread rod end, PHSA long type rod bearing, SAT/K tapered rod end, hydraulic cylinder joint, agricultural machinery rose bearing, balero extremo de varilla, rótula articulada industrial

Product Introduction & Core Features

PHS, POS, PHSA, POSA, SAT/K, SIT/K series rod end bearings (also called rose joints, ball joint bearings, articulated rod ends) consist of outer housing + spherical plain bearing insert, with external thread and internal thread two main structures. The self-lubricating composite sliding surface provides low friction, strong self-aligning ability, can bear radial + bidirectional axial composite loads, absorb assembly deflection and equipment vibration. Available standard short body / extended long body / tapered bore SAT/K variants, widely stocked for industrial hydraulic cylinders, automation equipment, farm machinery, construction vehicles and packaging lines. Multiple thread sizes from 3mm to 30mm in full specifications.

(Español: Rodamientos extremo de varilla tipo rótula PHS, POS, PHSA, SAT/K con rosca exterior e interior, auto lubricantes para cilindros hidráulicos y maquinaria agrícola.)

Full Series Classification & Structural Difference

1. PHS: External thread short standard rod end bearing, straight thread, universal light-medium load equipment
2. POS: Internal thread short rose joint, inner thread for connecting threaded shaft
3. PHSA: External thread long extended body, longer housing for larger swing angle
4. POSA: Internal thread long type rod bearing, extra installation space reserved
5. SIT/K: External tapered bore rod end, K taper inner hole match adapter shaft
6. SAT/K: Internal thread tapered bore articulated bearing, heavy vibration mining machinery preferred

Wide Application Scenarios

Hydraulic & pneumatic cylinders, agricultural tractor control linkages, construction machinery steering components, automated production line actuators, packaging equipment swing arms, metallurgical small transmission devices, medical fitness equipment, vehicle suspension connecting rods, small robotic joint parts.

PHS Series External Thread Rod End Bearing

POS Internal Thread Rod Bearing

PHSA Extended External Thread Rod End

SAT/K Taper Bore Internal Thread Rose Joint

Get Wholesale FOB Price For All PHS/POS/PHSA/POSA/SAT/K Rod End Bearings

Full stock standard short body, long extended type, K tapered bore external & internal thread rose joints. Self-lubricating liner inside, mixed batch small MOQ support, OEM custom logo & export neutral packaging for hydraulic cylinder, farm machinery distributors worldwide.

(Español: Stock completo rótulas PHS POS PHSA SAT/K rosca exterior e interior, auto lubricantes, pedidos mixtos para distribuidores de maquinaria.)

Request Bulk Quotation Browse Full Bearing Series & Download Dimension Chart

1. PHS External Thread Short Standard Rod End Bearing Size Table

Model Number	Thread Size (mm)	Bore d	Housing Width B	Thread Length	Industry Alias & Usage	Spanish Search Term
PHS3	M3	3	12	6	Mini external thread rose joint, small automation actuator	rótula PHS3 mini actuador automático
PHS4	M4	4	14	7	Micro equipment connecting rod bearing	balero PHS4 maquinaria pequeña
PHS5	M5	5	16	8	Packaging machine swing arm joint	extremo varilla PHS5 empaquetadora
PHS6	M6	6	19	9	Light hydraulic cylinder standard joint	rótula PHS6 cilindro hidráulico ligero
PHS8	M8	8	22	11	Tractor small control linkage	PHS8 articulación tractor agrícola
PHS10	M10	10	26	13	General automation cylinder rod end	rodamiento PHS10 automatización industrial
PHS12	M12	12	30	15	Construction mini machine actuator	rótula PHS12 maquinaria obra ligera
PHS16	M16	16	38	19	Medium load hydraulic cylinder joint	PHS16 cilindro carga media
PHS20	M20	20	44	23	Large farm machinery linkage	balero PHS20 maquinaria agrícola pesada
PHS30	M30	30	62	32	Heavy metallurgy transmission rod end	PHS30 transmisión metalúrgica

2. POS Internal Thread Short Rod End Bearing Dimension Table

Model Number	Internal Thread	Bore d	Housing Width	Thread Depth	Application & Alias	Spanish Keyword
POS5	M5	5	16	8	Internal thread mini rose joint, test equipment	rótula rosca interior POS5 equipo prueba
POS6	M6	6	19	9	Pneumatic cylinder internal thread rod bearing	POS6 cilindro neumático rótula
POS10	M10	10	26	13	Automation swing arm internal thread joint	POS10 brazo oscilante fábrica
POS16	M16	16	38	19	Light truck suspension linkage	POS16 suspensión camión ligero
POS30	M30	30	62	32	Mining small conveyor connecting joint	POS30 transportadora minera

3. PHSA Long External Thread Extended Rod End Table

Model	External Thread	Bore d	Total Length	Swing Angle Range	Working Scenario	Spanish Search Word
PHSA6	M6	6	32	±13°	Equipment requiring large swing stroke	PHSA6 rótula larga carrera amplia
PHSA12	M12	12	48	±12°	Harvester control long connecting rod	PHSA12 varilla larga cosechadora
PHSA20	M20	20	68	±10°	Medium construction equipment actuator	PHSA20 maquinaria construcción
PHSA35	M35	35	92	±9°	Heavy hydraulic press cylinder joint	PHSA30 prensa hidráulica pesada

4. POSA Long Internal Thread Rod End Bearing

Model	Internal Thread	Bore d	Overall Length	Mounting Space	Industry Use	Spanish Term
POSA8	M8	8	36	Extra long installation allowance	Multi-axis automated machinery	POSA8 rótula rosca interior larga
POSA14	M14	14	52	Large assembly tolerance	Mobile small excavator linkage	POSA14 mini excavadora
POSA30	M30	30	78	Heavy load long stroke cylinder	Metallurgical rotary equipment	POSA30 equipo rotativo metalúrgico

5. SIT/K External Thread Taper Bore Rod End (K Taper Hole)

Model	External Thread	Taper Bore d	Taper Ratio	Feature Intro	Application	Spanish Keyword
SI6T/K	M6	6	1:12	Taper hole lock shaft without nut	High vibration small conveyor	SI6T/K agujero cónico rótula
SI12T/K	M12	12	1:12	Anti-loosening tapered inner bore	Tractor vibrating control arm	SI12T/K brazo tractor vibración
SI30T/K	M30	30	1:12	Heavy vibration mining equipment joint	Mine crushing auxiliary linkage	SI30T/K maquinaria trituradora

6. SAT/K Internal Thread Taper Bore Rod End Bearing

Model	Internal Thread	Taper Bore d	Anti-Vibration Advantage	Main Equipment	Spanish Search
SA8T/K	M8	8	Taper fit eliminates shaft slip	Packaging high-speed swing machine	SA8T/K rótula rosca interior cónica
SA20T/K	M20	20	Stable under continuous shock load	Road roller steering link	SA20T/K dirección rodillo obra
SA30T/K	M30	30	Long service life for heavy vibration	Large agricultural harvester	SA30T/K cosechadora grande

Frequently Asked Questions About Rod End Rose Joint Bearings

1. Difference between PHS and POS rod end?

PHS is external thread rod bearing, used to screw into mounting base; POS is internal thread, install on threaded straight shaft. Both standard short housing for regular swing stroke equipment.

(Español: PHS rosca exterior, POS rosca interior, versión corta estándar.)

2. What is PHSA / POSA long type used for?

PHSA & POSA adopt extended longer housing, larger maximum swing angle ±10~13°, suitable for hydraulic cylinders with long travel stroke and equipment needing big deflection space.

3. What does suffix K mean on SAT/K SIT/K bearings?

K stands for 1:12 tapered inner bore, tightly lock the mounting shaft under frequent vibration, prevent inner ring slipping, ideal for mining, tractor and construction machinery with continuous shock load.

4. Are these rod ends self-lubricating?

All PHS/POS/PHSA/POSA/SAT/K series are equipped composite self-lubricating sliding liner, no frequent grease filling required, save maintenance cost for outdoor farm & construction equipment.

5. Can I mix different series & sizes in one wholesale order?

Yes, mixed batch order supported, small quantity sample orders acceptable. All thread sizes M3-M30 full stock for fast shipment within 3-7 working days.

PRODUCT TESTING

Bearing Forging

Bearing Annealing

Turning Process

Quenching

Bearing Assembly

Bearing Clearance Testing

Grease injection

Bearing Marking

Rod End Bearings