Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	NSK
Model Number	MR126ZZ / MF126ZZ
Inner Diameter	6 mm
Outer Diameter	12 mm
Width	4 mm
Flange Type	Single Flanged (MF) / Non-Flanged (MR)
Seal Type	Metal Shield (ZZ)
Material	High Carbon Chrome Steel
Country of Origin	Japan
Package Quantity	10 Pieces

5 reviews

Anonymous

Apr 12, 2026

Rating: 5/5

Exact dimensions

Measured them myself. 6x12x4mm exactly as listed.

Anonymous

Apr 08, 2026

Rating: 4/5

Good quality

Works well but slightly tighter fit than expected. Still good.

Anonymous

Mar 22, 2026

Rating: 5/5

Smooth operation

These bearings are incredibly smooth. Perfect for my RC motor setup.

Anonymous

Feb 28, 2026

Rating: 5/5

Genuine NSK

Verified authentic. Packaging was secure and delivery was fast.

Anonymous

Feb 27, 2026

Rating: 5/5

Great for 3D printers

Using these on my extruder gear. Very quiet and reliable.

5 FAQ

Q: Is this a pack of one or multiple?

A: The price listed is for a pack of 10 pieces.

Q: What is the difference between MR and MF?

A: MF indicates a flanged outer ring, MR is non-flanged. Please select accordingly.

Q: Can these handle high RPM?

A: Yes, they are designed for high-speed applications up to 30,000 RPM.

Q: Do you offer bulk discounts?

A: Yes, please contact us directly for orders over 50 packs.

Q: Are these bearings pre-lubricated?

A: Yes, they come factory lubricated with standard grease.

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