Dedicate to making your machine operate smoothly!

Home > Products > Roller Bearings > Roller Bearings With Machined Rings Without Inner Ring

Roller Bearings With Machined Rings Without Inner Ring

Brand : SDVV

Product origin : GERMANY

Delivery time : 3-5 DAYS

Supply capacity : 2300pcs

High quality Roller Bearings with machined rings without inner ring RNA4902-XL

Product details:

Bearing No.: RNA4902-XL

Brand: SDVV or as customer need

Material: Chrome steel (Gcr15), carbon steel

IDxODxW(mm): 20x28x13

Weight(kg): 0.0217

Price term: EXW, FOB, CIF, CFR, DDP

Payment Term:

1)30%TT in advance,70% balance has to be paid before shipment


3)100%LC at sight

4)Western Union



7)Can be negotiated

Roller Bearings with machined rings without inner ring.jpg

Technical Drawing:


Fw20  mm 

D28  mm 

C13  mm 

rmin0,3  mm 

m21,7  g 

Cr12000  N 

Basic dynamic load rating, radial
C0r13600  N 

Basic static load rating, radial
Cur2430  N 

Fatigue limit load, radial
nG21100  1/min 

Limiting speed
nB12000  1/min 

Reference speed


Suitable sealing ring


Suitable sealing ring

Product description:

Roller Bearings with machined rings without inner ring have an annular lubrication grooves and lubrication holes. NA-type needle bearing outer ring assembly (outer ring, needle roller and cage) can not be separated, but if the inner ring can be separated from the outer components.

Roller Bearings with machined rings without inner ring in direct contact with the journal surface, can further reduce bearing radial mounting position size requirements. But requires the journal surface hardness and dimensional accuracy should meet the technical requirements of the respective bearing raceways.


Roller Bearings with machined rings without inner ring can be used in tractor, machine tool, automobile, electric machine, water pump, agricultural machinery and textile machinery, etc.

Our advantages:

1) Professional Sales Team and experienced team: we own 25 technology departments and 120 workers, so we can satisfy your requirement

2) Wide products range: we have almost all types of bearings, thus enabling us to be one of the largest bearing suppliers in the world.

3) Large stocks: we have abundant item numbers in stock, so we can delivery to you at once at your request.

4) Good quality and reasonable price.

6) Certificate of Origin and COO from Chamber of Commerce can be supplied.

Packaging & Shipping


  1. Industrial packaging: plastic bag/plastic tube + kraft paper + carton + plywood pallets
    2. Commercial packing: 1pc/plastic bag + color box + carton + plywood pallets
    3. As the clients' requirement


1). If quantity is not very big, we will send you by UPS,DHL,FEDEX,OR EMS. Tracking number will be advised after delivery.

2). If order is big, we will advise you use Air Freight or Sea Freight.

SUN BEARINGS GROUP CO. LTD have complete process for the production and quality assurance to make sure our products can meet your requirement. We are committed to be responsible for each set of bearings and industrial products sold to our clients.

If any question about our bearing price, delivery and quality, welcome to contact me to talk more!




Phone/Whatsappno.: 008613606376835

Skype: hk-bearing

Please feel free to give your inquiry in the form below. We will reply you in 24 hours.