30204 Taper Roller Bearings

30204 Taper Roller Bearings
Part Number 30204 Weight(Kg) 0.126
d 20 Dynamic Load Co(N) 34200
D1 47 Static Load Cor(N) 3700
B 15.25 Grease Speed 8000
R 1 Oil Speed 10000

30204 Angular Contact Ball Bearing | Single Row Precision Bearing

The 30204 angular contact ball bearing is a high-precision single-row rolling bearing suitable for combined radial and unidirectional axial loads. It features compact size, low friction, high-speed stability and low-noise operation, widely used for light and medium-duty mechanical transmission. Available in GCr15 bearing steel and stainless steel, this bearing delivers stable and durable performance in standard, humid and mildly corrosive industrial environments.

Material Introduction

Bearing Steel (GCr15): GCr15 bearing steel is the standard material for 30204 bearings. After professional heat treatment, it provides high hardness, excellent wear resistance and strong fatigue resistance. It maintains long-term high-precision rotation under conventional dry working conditions with great cost performance for general industrial machinery.

Stainless Steel: Stainless steel 30204 bearings offer superior rust-proof, anti-oxidation and weak corrosion resistance. They resist moisture and minor industrial contamination effectively, avoiding precision loss and premature failure, ideal for sanitary, damp and clean working environments.

Product Features

Compact single-row structure saves installation space. Supports stable combined radial and one-way axial loads. Provides smooth, high-speed and quiet precision operation. Dual material grades adapt to conventional and anti-corrosion scenarios. High running accuracy and strong universal compatibility.

Application Scenarios

30204 single-row angular contact ball bearings are commonly applied in precision instruments, small motors, industrial fans, miniature pumps, automotive components and light-duty automation equipment. Bearing steel models suit conventional industrial equipment, while stainless steel versions fit food machinery, medical devices and high-humidity working conditions.

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