M1302 JB78

Outer diameter:: 78 mm

Width:: 2.85 mm

Mass:: 24.09 g

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Brand : QIBR

Measurement system : Metric

Shaft diameter : 78 mm

Thickness (T) : 2.85 mm

Thickness tolerance : 0 to -0.15 mm

Thickness of rings at bevelled edge (s1) : 2.15 mm

Thickness tolerance of the bevel ring : 0 to -0.13 mm

Inside diameter of rings for shafts in the free state (d3) : 86.8 mm

Shaft washer inner diameter tolerance : +1.4 to -1.4 mm

Lug height (a) : 8.1 mm

MAX radial width of the ring (b) : 6.5 mm

Hole diameter (V) : 3.1 mm

Clearance of circlip on shaft (C1) : 61.0 mm

Clearance of circlip in groove (C2) : 67.5 mm

Weight : 24.09 g

Groove diameter (d2) : 73.7 mm

Groove diameter tolerance : +0.15 to 0 mm

Groove width (m) : 2.26 mm

Groove width tolerance : +0.051 to 0 mm

Groove depth (t) : 2.85 mm

Shoulder width (n) : 8.9 mm

Loading capacity : 112.7 kN

Coefficient (K) : 197.5 kN/mm

Material : Carbon spring steel

Applications : Gearing/Transmission, wheel bearings,Vehicle construction,Machine construction

Download M1302 JB78 Drawing

M1302 JB78 Ring Product Features and Advantages

Easy Installation: Provides greater load-bearing capacity in both radial and axial directions, effectively extending the service life of the bearing.

Reliable Fixing Performance: Effectively secures and connects different components, preventing loosening or detachment under vibration or impact conditions.

Strong Adaptability: Suitable for components of various shapes and sizes, allowing for adjustments and selections based on different application needs.

Cost-Effectiveness: Relatively low production costs, strong durability, reduced replacement frequency, and lower overall maintenance and operating costs.

High Strength: Capable of withstanding significant loads, with good tensile strength and compressive capacity.

Application: Widely used in the automotive, aerospace, machinery, construction, and other industries.

QIBR - M1302 JB78 Ring Product Optimization

High-Performance Materials: Materials for snap rings can be replaced based on different working conditions, such as stainless steel, carbon steel, and plastic.

Surface Heat Treatment: Heat treatments such as coating, oxidation, and polishing are used to enhance wear resistance, corrosion resistance, and aesthetics.

More customization: QIBR can customize snap ring sizes and materials according to customer drawings and operational requirements.

QIBR - M1302 JB78 Ring Product quality control

Dimension measurement: Various high-precision instruments are used to measure multiple dimensions of the bearings, with maximum precision reaching 0.001mm.

Hardness measurement: The hardness of the bearing surface is measured using a hardness tester, with a precision of ±0.5HRC.

Metallographic analysis: Professional metallographic microscopes are used to analyze the internal metallographic structure of metals.

Raw material control: Steel and parts are purchased from suppliers certified by ISO 14001 to ensure product stability and promote sustainable development.