Koyo Timken Corrosion Resistance Ball Bearing High Speed Mr128zz, (L1280ZZ) Miniature Deep Groove Ball Bearings OEM

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Product Description

Basic Information
Model NO.MR128ZZ, (L1280ZZ)
Hardness59-63HRC
VibrationZ3V3 Z4V4
ApplicationCars, Appliances, Bicycles, Transportation Vehicle
Precision RatingP0 P6 P5 P4 P2
StructureDeep Groove
LubricationGrease
Seals TypeZz 2RS
CageSteel
MaterialNylon Cage/Steel Cage
HS Code8483200000
Capacity100,000 PCS/Year
Packaging & Delivery
Package Size2.00cm * 2.00cm * 2.00cm
Gross Weight0.990kg
Packing MethodSingle Box + Cartons + Pallets
Product Showcase
Detailed Photos of Miniature Deep Groove Ball Bearings
Technical Parameters
Bearing No. Boundary dimensions (mm) Basic load ratings (kN) Limiting speed (rpm) Mass
d D B rs min Dynamic Static Grease Oil ≈ g
60/1.51.562.50.152748671,00084,0000.35
602272.80.1538012562,00073,0000.54
6033930.1563521950,00059,0000.92
6733620.082429460,00071,0000.2
682251.50.081715174,00087,0000.13
68551130.1571528243,00051,0001.1
69551340.21,08043040,00047,0002.4
69992060.32,4801,09032,00038,0008.2
Quality Control & Certifications
Production Facility
Certification 1
Certification 2
Product Features
  • High Precision Performance
  • Ultra High-Speed Rotation
  • Enhanced Load Capacity
  • Low Noise Operation
  • Extended Service Life
  • Corrosion Resistance
Product details map
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Frequently Asked Questions
Q1: What materials are available for these miniature bearings?

We provide bearings made from supreme bearing steel AISI 52100 or stainless steel AISI 440 and AISI 420 to ensure durability and corrosion resistance.

Q2: What is the maximum speed capability of the MR128ZZ bearing?

With oil lubrication, these bearings can reach a limiting speed of up to 84,000 RPM, making them ideal for high-speed applications.

Q3: Are these bearings suitable for low-noise environments?

Yes, our bearings are rated at vibration levels Z3V3 and Z4V4, ensuring extremely low noise and smooth operation for office equipment and household appliances.

Q4: What types of seals do you offer?

We offer Open, ZZ (metal shields), and 2RS (rubber seals) types to protect against dust and maintain lubrication based on your environment.

Q5: Can I request customized lubrication?

Absolutely. We can use specific greases such as Chevron SRI-2, Multemp PS2, or Shell Alvania R2 based on your technical requirements.

Q6: Do you provide samples for testing?

Yes, free samples are available for quality evaluation and testing before placing a bulk order.

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