Inner diameter: 12mm
Outer diameter: 21mm
Height: 8mm
Weight: 0.1kg
Material: chrome steel
Cage: without
Lubrication: grease
3801-2RS-MAX bearing is used for bicycles.
For this bearing,
Inner diameter: 12mm
Outer diameter: 21mm
Height: 8mm
Weight: 0.1kg
Material: chrome steel
Cage: without
Lubrication: grease
Precision: P6, ABEC3
Seal Type: rubber seal on both sides
Application: Bicycle Suspension Swing Arms
Bearing Package: Industrial package (plastic tubes)
Alternatives: 3801-2RS-MAX, 3801H8 2RSVMAX, 3801H8-2RSVMAX, 3801-VRS, 3801H8, etc.
1. Full complement without cage, which is 35-40% more load capacity than standard radial bearings with cages.
2. Inserted with CRC Sta-Plex marine grease, which has good performance.
3. Shieled with rubber seals, which are dust-proof and water proof.
4. More than 100pcs in stock, short delivery time.
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.
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.
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.
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.
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
We accept T/T, W/U, PAYPAL, L/C etc
Buyer FAQ
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.
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.
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.
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.
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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