SIZJ High Precision Carbon Steel Rod End Bearing

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SIZJ High Precision Carbon Steel Rod End Bearing

Manufactured using extrusion molding process; the rod end body is made of carbon steel with a galvanized surface.
The inner ring is made of bearing steel, hardened, and spherically hard chrome plated, offering excellent wear resistance and corrosion resistance.

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Product Number:SIZJ… 4.83～19.05
Sliding Friction Pair: Steel / Steel
Operating Temperature Range
50℃ ～ +150℃
Optional Configurations
·Rod end spherical plain bearings with different thread precision requirements are available.
·Rod end spherical plain bearings with sliding friction pairs of steel/PTFE composite material or steel/PTFE braided fabric are also available.
·The rod end body and inner ring can be made of stainless steel, indicated by adding "X" after the corresponding bearing model, e.g., SIZJ…/X.
Left-hand Thread Marking
·For left-hand threads, add "L" and "LH" to the bearing model and thread marking.
·Example: SILZJ12 1/2 20UNF 2B LH

Bearing
number		 Dimensions
mm/inch		 Load ratings 
kN		 Weight
≈kg
d  B dₖ C₁
max		 d₂ G
UNF-2B		 h₁ I₃
min		 I₄ I₅ W d₃ d₄ rₛ 
min		 α°
≈		 Dynamic Static
SIZJ4 4.83  7.92  11.1  5.94  15.88  10-32 26.97  12.70  34.93  4.75  7.92  7.54  10.31  0.3  10  3.6  6.8  0.018 
0.19  0.312  0.437  0.234  0.625  1.062  0.5  1.375  0.187  0.312  0.297  0.406  0.012 
SIZJ6 6.35  9.53  12.7  6.35  19.05  1/4-28 33.32  15.88  42.85  4.75  9.53  9.15  11.91  0.3  13.5  5.4  9.6  0.023 
0.25  0.375  0.5  0.25  0.75  1.312  0.625  1.687  0.187  0.375  0.36  0.469  0.012 
SIZJ7 7.94  11.10  15.88  7.92  22.23  5/16-24 34.93  15.88  46.02  4.75  11.1  10.72  12.70  0.3  11  8.5  12  0.036 
0.3125  0.437  0.625  0.312  0.875  1.375  0.625  1.812  0.187  0.437  0.422  0.5  0.012 
SIZJ9 9.53  12.70  18.26  9.12  25.40  3/8-24 41.28  19.05  53.98  6.35  14.27  13.89  17.45  0.6  11  11  16  0.059 
0.375  0.5  0.719  0.359  1  1.625  0.75  2.125  0.25  0.562  0.547  0.687  0.024 
SIZJ11 11.11  14.27  20.62  10.31  28.58  7/16-20 46.02  22.23  60.33  6.35  15.88  15.49  19.05  0.6  10.5  14  21  0.082 
0.4375  0.562  0.812  0.406  1.125  1.812  0.875  2.375  0.25  0.625  0.61  0.75  0.024 
SIZJ12 12.7  15.88  23.81  11.50  33.32  1/2-20 53.98  25.40  70.64  6.35  19.05  18.67  22.23  0.6  10  18  28  0.132 
0.5  0.625  0.937  0.453  1.312  2.125  1  2.781  0.25  0.75  0.735  0.875  0.024 
SIZJ15 15.88  19.05  28.58  12.29  38.10  5/8-18 63.50  31.75  82.55  7.92  22.23  21.84  25.40  0.6  13  23  29  0.195 
0.625  0.75  1.125  0.484  1.5  2.5  1.25  3.25  0.312  0.875  0.86  1  0.024 
SIZJ19 19.05  22.23  33.32  15.06  44.45  3/4-16 73.03  34.93  95.25  7.92  25.4  25.02  28.58  0.6  12  34  44  0.295 
0.75  0.875  1.312  0.593  1.75  2.875  1.375  3.75  0.312  1  0.985  1.125  0.024 

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About UKL
Founded in 2020, UKL Bearing Manufacturing Co., Ltd. (Wuxi) is China SIZJ High Precision Carbon Steel Rod End Bearing suppliers and OEM/ODM SIZJ High Precision Carbon Steel Rod End Bearing company, an integrated industrial and trading enterprise that focuses on precision manufacturing, combining R&D, production, and sales.
The company specializes in high-performance bearing solutions, providing technical support for global industries with exceptionally high demands for precision and reliability.

With more than 200 skilled professionals and a fully modernized production base, UKL’s facilities cover the entire manufacturing process — forging, annealing, turning, heat treatment, grinding, and automated assembly.
Leveraging over 15 years of OEM/ODM export experience, UKL responds quickly to customer needs, offering flexible and customized services for clients across Europe, Asia, Africa, and the Middle East.

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