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{"title":"Maintenance Free Left Hand Thread Rod End Bearing 5mm 35mm Spherical Ball Joint","imgUrl":"https:\/\/img.chinax.com\/nimg\/d8\/4b\/3b3be8c76d8f98c9011f891a46e8-200x200-1\/maintenance_free_left_hand_thread_rod_end_bearing_5mm_35mm_spherical_ball_joint.jpg","attrs":{"Brand Name":"SYX","Certification":"ISO\/TS 16949:2009","Minimum Order Quantity":"500pcs","Price":"$0.50 - $25.00"}}
{"title":"High Precision Male Threaded Rod End Bearing 5mm 80mm Bore for Packaging","imgUrl":"https:\/\/img.chinax.com\/nimg\/46\/1e\/1dce87e0d931365d8aa75b50845e-200x200-1\/high_precision_male_threaded_rod_end_bearing_5mm_80mm_bore_for_packaging_industry.jpg","attrs":{"Precision rating":"High Precision,P0","Packing":"Thread Protection,Individually Bagged,wooden","Certification":"ISO\/TS 16949: 2009","Place of Origin":"China"}}
{"title":"Precision Engineered Spherical Rod End Bearing 5mm 80mm Bore Automated","imgUrl":"https:\/\/img.chinax.com\/nimg\/bb\/60\/ed01e6a9b2bc30a559a94fd2f78b-200x200-1\/precision_engineered_spherical_rod_end_bearing_5mm_80mm_bore_automated_production_line.jpg","attrs":{"Sample":"Available,free,accpet","Oem":"Acceptable,Accept","Seals type":"RS,2RS","Payment Terms":"T\/T"}}
{"title":"POS Series Heavy Duty Metric Male Threaded Rod End Bearing Industrial Machinery","imgUrl":"https:\/\/img.chinax.com\/nimg\/6a\/2e\/f14a3ee9bb3c5562c9ba063ec3ad-200x200-1\/pos_series_heavy_duty_metric_male_threaded_rod_end_bearing_industrial_machinery.jpg","attrs":{"Features":"Corrosion Resistance","Thread Type":"Male Thread (External)","Name":"POS Series Heavy Duty Metric Male Threaded Rod End For Industrial","Payment Terms":"T\/T"}}
{"title":"SA Series Corrosion Resistant Spherical Rod End Bearing 5mm 80mm Bore Gar DO INA","imgUrl":"https:\/\/img.chinax.com\/nimg\/72\/02\/f32eef93c4538ea7376c4e50847e-200x200-1\/sa_series_corrosion_resistant_spherical_rod_end_bearing_5mm_80mm_bore_gar_do_ina.jpg","attrs":{"Material":"Chrome Steel,Carbon steel,Stainless steel,Gcr15,Bearing steel ball joint rod ends","Price":"USD0.96-USD45.00","Packaging Details":"carton","Service":"OEM Customized Services,OEM,Prompt Delivery,OEM or private label accepted.,Buyer Label Offered"}}
{"title":"Heavy Duty Rod End Bearing SI SA PHS POS Series Machinery Control Systems","imgUrl":"https:\/\/img.chinax.com\/nimg\/96\/e4\/ac966ec5173ec7fe6f3b07b4fb17-200x200-1\/heavy_duty_rod_end_bearing_si_sa_phs_pos_series_machinery_control_systems.jpg","attrs":{"Minimum Order Quantity":"2000 pcs","Payment Terms":"T\/T","Plating":"Hard chrome plated","Bearing Type":"ROD END"}}
{"title":"PHS Series Corrosion Resistant Heim Joint Spherical Bearing Bronze Sliding 5mm","imgUrl":"https:\/\/img.chinax.com\/nimg\/cb\/cc\/cad696c3e4273969409a7db073f7-200x200-1\/phs_series_corrosion_resistant_heim_joint_spherical_bearing_bronze_sliding_5mm_35mm.jpg","attrs":{"Type":"Rod End,sealed type,Pillow Block,open type,Male","Application":"Industry,Aviation,Machinery,Precision,Offroad","Color":"Grey,Metal color,customized,Silvery","Supply Ability":"30000.00 pcs"}}
Maintenance Free Rod End Bearings, also known as self-lubricating rod end joint bearings, are sliding bearings that operate without regular external oil injection. These bearings utilize built-in solid lubricating materials to achieve long-term maintenance-free operation, making them ideal for mechanical systems requiring high reliability, cleanliness, and maintenance convenience.
Key Features & Benefits
Maintenance-Free Operation: Built-in solid lubricating materials provide continuous lubrication without regular refueling
High Reliability: Eliminates jamming and wear caused by insufficient lubrication
Environmentally Friendly: No risk of oil leakage, suitable for food, medical, and clean room applications
Corrosion Resistance: Stainless steel construction with non-metallic lubricating layers for harsh environments
Long Service Life: "One-time installation, long-term operation" design philosophy
Product Structure & Components
This rod end bearing consists of several key components:
Body: High-strength carbon structural steel with galvanized or anti-corrosion treatment, featuring internal threads (SI type) or external threads (SA type)
Inner Ring: Hardened bearing steel (GCr15) with spherical outer surface, quenched and tempered for high hardness and wear resistance
Self-Lubricating Pad: Embedded sliding surface made of sintered bronze+graphite, PTFE composite fabric, or copper alloy+molybdenum disulfide
Outer Ring: Double half structure or integral design forming ball joint structure with inner ring spherical surface
Seals: Rubber sealing rings on high-end models to prevent dust and moisture ingress
Available Sizes
Diameter range: 5mm to 35mm
Bearing Code
Dimensions (mm)
Load Rating kN
a°
Weight
d
B
dk
C1
d2
d3
h1
L3
L4
L5
L7
W
d4
d5
Dynamic
Static
≈kg
max
max
6H
min
max
≈
SILL5T/K
5
8
11.112
7.5
18
M5x0.8
27
8
36
4
10
9
12
11
3.6
4.6
4
0.020
SIL6T/K
6
9
12.7
7.5
20
M6x1
30
9
40
5
11
11
10
13
4.7
5.2
9
0.025
SIL8T/K
8
12
15.88
9.5
24
M8x1.25
36
12
48
5
13
14
12.5
16
7.6
8.2
12
0.047
SIL10T/K
10
14
19.05
11.5
28
M10x1.5
43
15
58
6.5
16
17
17
19
12
15
10
0.088
SIL10T/K-1
10
14
19.05
11.5
28
M10x1.25
43
15
58
6.5
16
17
17
19
12
15
10
0.088
SIL12T/K
12
16
22.23
12.5
32
M12x1.75
50
18
67
6.5
18
19
17.5
22
14
19
12
0.140
SIL12T/K-1
12
16
22.23
12.5
32
M12x1.25
50
18
67
6.5
18
19
17.5
22
14
19
12
0.140
SIL14T/K
14
19
25.4
14.5
36
M14x 2
57
21
76
8
20
22
25
25
19
24
14
0.200
SIL14T/K-1
14
19
25.4
14.5
36
M14x1.5
57
21
76
8
20
22
25
25
19
24
14
0.200
SIL16T/K
16
21
28.58
15.5
42
M16x2
64
24
85
8
24
22
27
27
23
29
14
0.250
SIL16T/K-1
16
21
28.58
15.5
42
M16x1.5
64
24
85
8
24
22
27
27
23
29
14
0.250
SIL18T/K
18
23
31.75
17.5
46
M18x1.5
71
27
94
10
22.5
27
25
31
29
34
15
0.350
SIL20T/K
20
25
34.93
18.5
50
M20x1.5
77
30
102
10
25
32
34
34
34
40
14
0.430
SIL22T/K
22
28
38.1
21.0
54
M22x1.5
84
33
112
12
27.5
32
37
37
42
50
14
0.610
SIL25T/K
25
31
42.86
23.0
60
M24x2
94
36
124
12
28.5
36
33.5
42
52
57
14
0.810
SIL30T/K
30
37
50.8
27.0
70
M30x2
110
45
145
15
33
41
40
51
73
77
17
1.400
SIL30T/K-1
30
37
50.8
27.0
70
M27x2
110
45
145
15
33
41
40
51
73
77
17
1.400
SIL35T/K
35
43
57.15
28.0
80
M36x2
125
56
165
15
42
50
46
56
110
116
17
1.600
For left-hand thread, suffix "L" is added to bearing number and thread sign, e.g. SIL20T/K M20x1.5L-6H.
SI..TK is equivalent to GIKR..PW INA.
Industrial Applications
Specifically designed for automatic production line applications requiring reliable, maintenance-free bearing solutions
Common Applications
Robotics: Joints in wrists, elbows, knees, and ankles requiring lightweight, high-precision maintenance-free design
Medical Equipment: Operating table adjustment mechanisms and rehabilitation equipment joints requiring oil-free clean operation
Food & Packaging Machinery: Strapping machines and conveyor line tensioning devices to prevent oil contamination
Automated Production Lines: Robotic arm connection nodes and linkage transmission for enhanced system stability
Rail Transit & Automotive: Suspension systems and pedal connectors with vibration resistance and wear resistance
Selection Guidelines
Choose the appropriate rod end bearing type based on your specific requirements:
High Swing Frequency: PTFE composite material liners for superior anti-friction performance
Wet/Corrosive Environments: Stainless steel rod ends or models with sealed structures
Heavy Load Conditions: Inner ring quenching and outer ring thickening design (PHS.. POS.. type)
Space-Limited Applications: SI... C internal thread design for easy reverse installation
Installation Tips
Preparation
Ensure bearings are not bumped or deformed, and sliding spherical surfaces are free from scratches or contamination. Use specialized tools including press machines, copper or soft steel assembly sleeves, and torque wrenches.
Recommended Installation Method: Press Fit
- Use soft metal assembly sleeves with inner diameter slightly larger than shaft neck and outer diameter smaller than inner ring edge - Apply force directly to tightly fitted end face of sleeve - Never transmit pressure through rolling elements or sliding surfaces to prevent PTFE layer damage - For mass installation, use press machines to ensure uniform force distribution and concentric pressing
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
1996
Total Annual:
30000000-50000000
Employee Number:
150~200
Ecer Certification：
Verified Supplier
Founded in 1996, Shanghai YongXing Bearing Manufacturing Co., Ltd. (SYX) has evolved from a leading manufacturer into a certified innovator at the forefront of precision motion technology. We specialize in engineering and producing high-performance spherical plain bearings, rod ends, and cam f...
Founded in 1996, Shanghai YongXing Bearing Manufacturing Co., Ltd. (SYX) has evolved from a leading manufacturer into a certified innovator at the forefront of precision motion technology. We specialize in engineering and producing high-performance spherical plain bearings, rod ends, and cam f...
