SIZP Zinc Coated Precision Rod End Bearing

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SIZP Zinc Coated Precision Rod End Bearing

SIZP series rod end spherical plain bearings are made of carbon steel with a galvanized finish, providing excellent corrosion resistance. The sliding surfaces are equipped with bronze liners, significantly improving wear resistance and service life. The inner ring is made of high-strength bearing steel, hardened and hard chrome plated, offering superior hardness and durability. Except for models with a bore diameter less than 6.35mm, all other models support cup lubrication to ensure long-term efficient operation.

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Temperature Range
Suitable for temperatures from -50℃ to +150℃, adaptable to various extreme environmental conditions.

Lubrication Instructions
·Models with a bore diameter less than 6.35mm are not lubricated.
·For other models, cup lubrication is supported to reduce friction and extend service life.

Customization Options
·Rod end spherical plain bearings with different thread precisions can be provided according to customer requirements to ensure that precision requirements meet specific applications.
·Stainless steel can be used for the rod end body and inner ring, suitable for highly corrosive environments. The model number is marked with an "X", e.g., SIZP…S/X.

Left-hand thread marking
If a left-hand thread version is required, the model number must be marked with "L" or "LH". For example: SILZP12S 1/2-20UNF-2B LH, to ensure accurate identification.

Bearing
number		 Dimensions
mm/inch		 Load ratings 
kN		 Weight
kg
d B dₖ C₁
max		 d₂ G
UNF-2B		 h₁ I₃
min		 I₄ I₅ I₇ W d₃ d₄ rₛ 
min		 α°
≈		 Dynamic Static
SIZP4S 1) 4.83  7.92  11.1  6.35  15.88  10-32 26.97  14.27  34.93  4.75  9  7.92  7.54  10.31  0.3  10  3.4  4.6  0.015 
0.19  0.312  0.437  0.25  0.625  1.082  0.582  1.375  0.187  0.354  0.312  0.297  0.408  0.012 
SIZP6S 1) 6.35  9.53  12.7  7.14  19.05  1/4-28 33.32  19.05  42.85  4.75  10.5  9.53  9.15  11.91  0.3  13  4.5  7.7  0.025 
0.25  0.375  0.5  0.281  0.75  1.312  0.75  1.887  0.187  0.413  0.375  0.36  0.469  0.012 
SIZP7S 7.94  11.10  15.88  8.74  22.23  5/16-24 34.93  19.05  46.02  4.75  11.7  11.1  10.72  12.70  0.3  10  6.9  8.4  0.036 
0.3125  0.437  0.625  0.344  0.875  1.375  0.75  1.812  0.187  0.481  0.437  0.422  0.5  0.012 
SIZP9S 9.53  12.70  18.26  10.31  25.40  3/8-24 41.28  23.80  53.98  6.35  12.3  14.27  13.89  17.45  0.6  9  9.4  10  0.061 
0.375  0.5  0.719  0.408  1  1.625  0.937  2.125  0.25  0.484  0.582  0.547  0.887  0.024 
SIZP11S 11.11  14.27  20.62  11.1  28.58  7/16-20 46.02  26.97  80.33  6.35  14  15.88  15.49  19.05  0.6  11  11  13  0.081 
0.4375  0.562  0.812  0.437  1.125  1.812  1.082  2.375  0.25  0.551  0.625  0.81  0.75  0.024 
SIZP12S 12.7  15.88  23.81  12.7  33.32  1/2-20 53.98  30.15  70.64  6.35  16.2  19.05  18.67  22.23  0.6  9  15  19  0.133 
0.5  0.625  0.937  0.5  .312  2.125  1.187  2.781  0.25  0.638  0.75  0.735  0.875  0.024 
SIZP15S 15.88  19.05  28.58  14.27  38.10  5/8-18 63.50  38.10  82.55  7.92  18.2  22.23  21.84  25.40  0.6  11  20  21  0.190 
0.625  0.75  1.125  0.562  1.5  2.5  1.5  3.25  0.312  0.717  0.875  0.86  1  0.024 
SIZP19S 19.05  22.23  33.32  17.45  44.45  3/4-16 73.03  44.45  95.25  7.92  20.9  25.4  25.02  28.58  0.6  10  29  29  0.285 
0.75  0.875  1.312  0.687  1.75  2.875  1.75  3.75  0.312  0.823  1  0.985  1.125  0.024 
SIZP25S 25.40  34.93  47.63  25.40  89.85  5/4-12 104.78  53.98  139.70  11.10  33.1  38.1  37.72  44.45  0.6  14  60  101  1.00 
1  1.375  1.875  1  2.75  4.125  2.125  5.5  0.437  1.303  1.5  1.485  1.75  0.024 

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About UKL
Founded in 2020, UKL Bearing Manufacturing Co., Ltd. (Wuxi) is China SIZP Zinc Coated Precision Rod End Bearing suppliers and OEM/ODM SIZP Zinc Coated Precision 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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