604zz Small Bearing 604-2Z Minature Ball Bearing 4x12x4mm
Size: 4x12x4mm
Mass: 2.5g/piece
Material: Gcr15 steel
Cage: Standard steel cage
Seal: Metal seal on 2 sides
Dynamic Load Rating: 1.20kN
Static Load Rating: 0.35kN
Lubrication: Grease or oil
Working Temperature: -20 °C to 120°C
Cross Reference: 604ZZ, 604 ZZ, 604-2Z, 604 2Z,604-2Z-HLC,etc
604zz Small Bearing Data Sheet:
604zz small bearing belongs to single row deep groove ball bearing.
For this bearing,
Size: 4x12x4mm
Mass: 2.5g/piece
Material: Gcr15 steel
Cage: Standard steel cage
Seal: Steel seal on both sides
Dynamic Load Rating: 1.20kN
Static Load Rating: 0.35kN
Internal Play: Standard CN/CO play
Lubrication: Lubrication grease or oil
Working Temperature: -20 °C to 120°C
Cross Reference: 604ZZ, 604 ZZ, 604-2Z, 604 2Z,604-2Z-HLC,etc
Applications: Toys, furniture, wheels, pulleys, dental equipments, etc
Small Bearings Size Chart:
| Model Number | d (mm) | D (mm) | B (mm) | |
| Open | ZZ type | |||
| 681 | 1 | 3 | 1 | |
| 691 | 4 | 1.6 | ||
| 681XZZ | 1.5 | 4 | 1.2 | 2 |
| 691XZZ | 5 | 2 | 2.6 | |
| 601XZZ | 6 | 2.5 | 3 | |
| 682ZZ | 2 | 5 | 1.5 | 2.3 |
| MR52ZZ | 5 | 2 | 2.5 | |
| 692ZZ | 6 | 2.3 | 3 | |
| MR62ZZ | 6 | 2.5 | 2.5 | |
| MR72ZZ | 7 | 2.8 | 3 | |
| 602ZZ | 7 | 2.8 | 3.5 | |
| 682XZZ | 2.5 | 6 | 1.8 | 2.6 |
| 692XZZ | 7 | 2.5 | 3.5 | |
| MR82X | 8 | 2.5 | ||
| 602XZZ | 8 | 2.8 | 4 | |
| MR63ZZ | 3 | 6 | 2 | 2.5 |
| 683ZZ | 7 | 2 | 3 | |
| MR83ZZ | 8 | 2.5 | 3 | |
| 693ZZ | 8 | 3 | 4 | |
| MR93ZZ | 9 | 2.5 | 4 | |
| 603ZZ | 9 | 3 | 5 | |
| 623ZZ | 10 | 4 | 4 | |
| 633ZZ | 13 | 5 | 5 | |
| MR74ZZ | 4 | 7 | 2 | 2.5 |
| MR84ZZ | 8 | 2 | 3 | |
| 684ZZ | 9 | 2.5 | 4 | |
| MR104ZZ | 10 | 3 | 4 | |
| 694ZZ | 11 | 4 | 4 | |
| 604ZZ | 12 | 4 | 4 | |
| 624ZZ | 13 | 5 | 5 | |
| 634ZZ | 16 | 5 | 5 | |
| MR85ZZ | 5 | 8 | 2 | 2.5 |
| MR95ZZ | 9 | 2.5 | 3 | |
| MR105ZZ | 10 | 3 | 4 | |
| MR115ZZ | 11 | 4 | ||
| 685ZZ | 11 | 3 | 5 | |
| 695ZZ | 13 | 4 | 4 | |
| 605ZZ | 14 | 5 | 5 | |
| 625ZZ | 16 | 5 | 5 | |
| 635ZZ | 19 | 6 | 6 | |
| MR106ZZ | 6 | 10 | 2.5 | 3 |
| MR126ZZ | 12 | 3 | 4 | |
| 686ZZ | 13 | 3.5 | 5 | |
| 696ZZ | 15 | 5 | 5 | |
| 606ZZ | 17 | 6 | 6 | |
| 626ZZ | 19 | 6 | 6 | |
| 636ZZ | 22 | 7 | 7 | |
| MR117ZZ | 7 | 11 | 2.5 | 3 |
| MR137ZZ | 13 | 3 | 4 | |
| 687ZZ | 14 | 3.5 | 5 | |
| 697ZZ | 17 | 5 | 5 | |
| 607ZZ | 19 | 6 | 6 | |
| 627ZZ | 22 | 7 | 7 | |
| 637ZZ | 26 | 9 | 6 | |
| MR128ZZ | 8 | 12 | 2.5 | 3.5 |
| MR148ZZ | 14 | 3.5 | 4 | |
| 688ZZ | 16 | 4 | 5 | |
| 698ZZ | 19 | 6 | 6 | |
| 608ZZ | 22 | 7 | 7 | |
| 628ZZ | 24 | 8 | 8 | |
| 638ZZ | 28 | 9 | 9 | |
Bearing Package:
Small Bearing Features:
1. Large stock for 604zz miniature bearings
2. Fast delivery, 1-3 days for small amount
3. Reliable bearing quality
4. OEM and ODM service for 4x12x4mm bearings
5. ISO9001:2015 certificate
6. Prompt reply
Questions that usually come up before ordering 604ZZ and 604-2Z
When is 604ZZ and 604-2Z 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 604ZZ and 604-2Z 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 604ZZ and 604-2Z 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 604ZZ and 604-2Z?
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 604zz Small Bearing 604-2Z Minature Ball Bearing 4x12x4mm?
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
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