6405 Heavy Load Bearing 6405ZZ Radial Bearings 25x80x21
Size: 25x80x21mm
Weight: 0.53kg/pc
HS Code: 8482102000
Rolling Elements: Balls
Cage: Standard steel cage
Material: 51200 chrome steel
Closure: Open, ZZ or 2RS sealing
Structure: Single row deep groove ball bearing
6405 Heavy Load Bearing Specification:
6405 heavy load bearing is 6400 series heave load deep groove ball bearing.
For this bearing model,
Size: 25x80x21mm
Weight: 0.53kg/pc
HS Code: 8482102000
Rolling Elements: Balls
Cage: Standard steel cage
Material: 51200 chrome steel
Closure: Open, ZZ or 2RS sealing
Structure: Single row deep groove ball bearing
Interchange: 6405, 405, 6405 2RS, 6405-2RS, 64052RS, 6405ZZ, 6405-ZZ, 6405 zz, 6405 2Z, 6405-2Z, etc.
Real Bearing Photo:
How to Tell Bearing Seal Type：
Normally bearings have open type, 2RS (DDU, LLU) type and ZZ type.
6400 Series Ball Bearing Size Chart:
| New Model | Old Model | Specifications(dxDxB) | Weight/kg |
| 6403 bearing | 403 | 17x62x17 | 0.268 |
| 6404 bearing | 404 | 20x72x19 | 0.399 |
| 6405 bearing | 405 | 25x80x21 | 0.53 |
| 6406 bearing | 406 | 30x90x23 | 0.399 |
| 6407 bearing | 407 | 35x100x25 | 0.919 |
| 6408 bearing | 408 | 40x110x27 | 1.17 |
| 6408 bearing | 408K | 40x110x27 | 1.2 |
| 6409 bearing | 409 | 45x120x29 | 1.57 |
| 6409 bearing | 409E | 45x120x29 | 1.521 |
| 6409 bearing | 409K | 45x120x29 | 1.69 |
| 6410 bearing | 410 | 50x130x31 | 1.85 |
| 6410 bearing | 410K | 50x130x31 | 1.85 |
| 6411 bearing | 411 | 55x140x33 | 2.31 |
| 6411 bearing | 411K | 55x140x33 | 2.31 |
| 6412 bearing | 412 | 60x150x35 | 2.8 |
6405 Bearing Features:
1. 6400 series deep groove ball bearing, heavy duty, heay load
2. Grade 10 chrome steel balls
3. Gcr15 steel as raw material, hardness of which is 60-66HRC
4. OEM service can be provided for 6405 bearing
Questions that usually come up before ordering 6405 and 6405ZZ
When is 6405 and 6405ZZ 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 6405 and 6405ZZ 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 6405 and 6405ZZ 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 6405 and 6405ZZ?
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 6405 Heavy Load Bearing 6405ZZ Radial Bearings 25x80x21?
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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