MR63ZZ Miniature Bearing MR 63 Ball Bearing 3*6*2.5mm
Inner (d): 3mm
Outer (D): 6mm
Width (B): 2.50mm
Mass: 2g/piece
Material: Gcr15 steel
Seal: Metal seal on both sides
Interchange: MR63ZZ, MR63 ZZ, MR63-ZZ, MR63-2Z, MR63-2Z-HLC
MR63ZZ Minature Bearing Specification:
MR63ZZ miniautre bearing can be fond in many applications.
For this bearing,
Inner (d): 3mm
Outer (D): 6mm
Width (B): 2.50mm
Mass: 2g/piece
Material: Gcr15 steel
Seal: Metal seal on both sides
Internal Play: Standard clearance CN/C0
Structure: Deep groove ball bearing, single row
Lubrication: Standard lubrication grease or oil
Interchange: MR63ZZ, MR63 ZZ, MR63-ZZ, MR63-2Z, MR63-2Z-HLC and so on
Miniature Bearing Size Chart:

Useful next options around MR63ZZ
MR63ZZ rarely gets approved on dimensions alone. Teams often need one quick path into nearby deep groove ball bearings options, one clearer commercial route, and one practical guide before the shortlist feels complete. The links below keep those next checks close.
Questions that usually come up before ordering MR63ZZ
When is MR63ZZ worth comparing against nearby deep groove ball bearings options?
Comparison helps when dimensional fit is only part of the decision and load direction, sealing, clearance, speed, temperature, or repeat-order stability still need to be confirmed. Reviewing one or two nearby options early usually reduces sourcing mistakes later.
What details usually matter before approving MR63ZZ for repeat supply?
Buyers normally confirm the part reference, main dimensions, application, speed range, operating environment, sealing needs, and any packaging or marking requirements. That gives the supplier a cleaner basis for confirming availability and suitable alternatives.
Which next step usually helps after MR63ZZ is shortlisted?
A quick review of Deep Groove Ball Bearings, one more commercial destination, and one practical guide usually saves time. That combination helps separate simple replacement orders from jobs that still need fit or application review.
Why keep a supporting guide linked beside MR63ZZ?
Because it makes later decisions faster. When sizing notes, application cues, and nearby options stay close to the product, engineering, purchasing, and maintenance teams can revisit the same logic without starting the review from zero.
Shipping Method:
1. Sea shipping for mass cargos (GW > 500KGS)
2. Air shipping (GW between 100KGS – 500 KGS)
3. Express, such as DHL, TNT, Fedex, UPS for small cargos ( GW < 100KGS)
4. If you have shipping agent in China, we can send goods to your shipping agent's warehouse

Payment Terms:
We accept T/T, W/U, PAYPAL, L/C etc

Buyer FAQ
Questions buyers ask before choosing the next bearing option
What should I confirm before ordering MR63ZZ Miniature Bearing MR 63 Ball Bearing 3*6*2.5mm?
Confirm the bearing number, bore size, outside diameter, width, seal or shield type, cage material, clearance, precision level, quantity, and application. These details help prevent a size match from becoming a performance mismatch.
Can this bearing be matched for replacement or repeat supply?
Yes. Replacement and repeat orders are easier when the original marking, measured dimensions, photos, application, and quantity are available. If the marking is unclear, the team can start from the size and working condition.
Which product family does this bearing belong to?
This item is handled within the Deep Groove Ball Bearings family. Comparing the family page can help buyers review similar sizes, seal options, load direction, and related bearing choices before requesting a quote.
What affects price and lead time for this bearing?
Price and lead time can change with quantity, stock availability, precision grade, clearance, material, cage, seal or shield type, lubrication, packaging, and whether the order needs standard matching or custom production.
How is this bearing checked before delivery?
Inspection can include material review, dimensional measurement, noise and vibration checks, surface and crack checks, visual review, and packaging inspection according to the confirmed order requirements.
Need help checking fit, price, or lead time? Request a bearing quote
