SI16 Spherical Plain Bearings

SI16 Spherical Plain Bearings
Part Number SI16T/K L5 8
d 16 d4 22
D M16*2 d5 28
W 24 dk 28.575
B 21 L3 24
C1 15 a°≈ 15
h 64 Dynamic Load Co(N) 21600
d2 40 Static Load Cor(N) 28500
L 84 Weight(Kg) 0.22

SI16 Spherical Plain Bearing | SI16T / SI16K Stainless And Steel Types

The SI16 spherical plain bearing is a heavy-duty rod end joint bearing commonly used in medium and heavy industrial mechanical systems. It enables flexible multi-directional oscillation and tilting movement, featuring outstanding self-aligning performance and stable low-friction operation. Available in SI16T and SI16K models with bearing steel and stainless steel options, this bearing offers reliable, cost-effective motion solutions for heavy-load automation and industrial equipment.

SI16T vs SI16K | Model Differences

SI16T (Teflon Lined Type): Designed with built-in PTFE liner for excellent self-lubrication and ultra-low friction. It supports dry operation without regular grease filling, suitable for clean, dry working environments and maintenance-free precision machinery.

SI16K (Open Lubrication Type): Standard open groove structure allows convenient grease refilling and efficient heat dissipation. With good wear resistance and stable heavy-load performance after lubrication, it is ideal for long-term continuous operation and general heavy-duty industrial scenarios.

Material Introduction

Bearing Steel: Made of high-carbon chromium bearing steel with professional heat treatment. It delivers high surface hardness, strong wear resistance and stable structural rigidity, extending service life for conventional indoor industrial equipment.

Stainless Steel: High-quality stainless steel provides superior rust-proof, waterproof and anti-corrosion properties. It operates stably in humid, dusty and corrosive environments, perfect for outdoor machinery, medical, food-grade and precision electronic equipment.

Product Features

Heavy-duty standard structure for easy installation and replacement. Excellent self-aligning capability to compensate for mounting errors. Smooth low-friction multi-angle swing movement. Dual structure and material options adapt to diverse working conditions. High precision and stable long-term operation.

Application Scenarios

SI16 spherical plain bearings are widely applied in heavy-duty automation machinery, industrial robotic arms, hydraulic equipment, textile machinery and heavy-load transmission mechanisms. SI16T fits clean dry maintenance-free scenarios; SI16K suits conventional lubricated environments, and stainless steel versions adapt to humid and corrosive working conditions.

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