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Economy Bearings

  • Guaranteed quality above Z1 with greatly reduced noise and vibration
  • Wide width design proven for long service life
  • Superior bearing steel, stainless steel material
Economy Bearings

Product Features

Features of MISUMI Economy Bearings

1

Why does MISUMI conduct noise and vibration tests on all products and produce products above 'Z1' grade for economical bearings?

Bearing vibration is divided into ZO, Z1, Z2, Z3, Z4 grades -(higher number means lower noise and vibration)

  • Dimensional tolerance including inner and outer diameters
  • Clearance tolerance
  • Sphericity of bearing balls
  • Precision of bearing internal and external material
  • Composition of bearing interior, foreign material inclusion

Market distribution Products

Z1 grade not guaranteed

MISUMI Economy

Guaranteed above Z1 grade

2

Contact Area Comparison

Market Distribution Products ※

Small contact area leads to concentrated contact stress, reducing lifespan

MISUMI Economy Bearing

Larger contact area disperses contact stress, extending lifespan

3

Material Comparison

Differences from Market Distribution Product Materials ※

Bearing Steel Material
Common market steel's heat-treated hardness is 48~54HRC, vulnerable to wear
Lifespan Test Results

After lifespan test under same conditions as MISUMI economical type, severe wear and structural damage observed when end cover disassembled

Stainless Steel Material
Common Market Stainless Steel
Salt Water Test Results

Rust Area About 30%

MISUMI Economy Products

Bearing Steel Material
SUJ2 (bearing steel) hardness after heat treatment is 58~63HRC, with better wear resistance
Lifespan Test Results

After long-term lifespan test, little internal wear and maintained circular structure observed when end cover disassembled

Stainless Steel Material
Equivalent to 440 or 420 Stainless Steel
Salt Water Test Results

Rust Area About 2~3%

Features of MISUMI Economy Bearings

MISUMI Economy Bearing

Usage Environment Low Load | Low Speed Rotation | Medium Precision Rotation

Recommended Usage Areas

Low Load

Light Processing Conveyor Bearing

Medium-Low Speed Rotation

Limited to medium and low-speed operation for drive converters and bayouts

Medium Precision Rotation

Bearings that don't require precise positioning

Design Example

Chain Transfer Device

A widely used chain-type conveyor through cooling frame and chain drive combination.

Chain-type drive devices are widely applied to various types of conveyor transport line equipment Can be used even in harsh environmental conditions.

Bearing

₹62.05 /Unit

- Inner diameter 8mm

- Outer diameter 16mm

- Width 5mm

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