linqing DN Bearing Co., Ltd
High Speed Customized Non Standard Ball Bearings R20 ZZ-2RS 31.75*57.15* 9.525mm

High Speed Customized Non Standard Ball Bearings R20 ZZ-2RS 31.75*57.15* 9.525mm

Reference FOB Price:
US1 ~ 2 / Piece
Min. Order:
1 Piece
10000 Piece
Production Capacity:
Payment term:
Delivery time:
Technical Parameters:
Product Designations:
Inside Diameter:
31.75 mm
Outside Diameter:
57.15 mm
9.525 mm
Shipping Ways:
expressage Sea Freight/Air Freight/Land Transportation
Country of Origin:
High Speed Customized Non Standard Ball Bearings R20 ZZ-2RS 31.75*57.15* 9.525mm

R20 ZZ-2RS 31.75*57.15* 9.525mm Can be customized Using Japanese technology Nonstandard Deep Groove Ball Bearings
31.75*57.15*9.525mm Bearing Features:
Inner Ring Diameter (bore):31.75mm
Outer Ring Diameter:57.15mm
Basic Dynamic Load Rating Cr:13.23kN
Basic Static Load Rating Cor:8.30kN
Bearing Weight:0.0903KG
R20 Ball Bearing Description:

Model Number R20 ZZ-2RS
Structure Nonstandard deep groove ball bearing
Inside Diameter 31.75mm
Outside Diamete 57.15mm
Thickness 9.525mm
Seal Type Double Shielded
Material GCR15
Precision Rating P5 P4
Rolling Element Balls
Number Of Row Single Row
Brand Tope or other brands
Weight 0.0903KG
Payment term T/T,L/C, Western Union, PayPal
Seals Type Rubber Seals
Delivery time 1-5 days for small amout, 15-40 days for big amount

Relevant Types of Nonstandard Deep Groove Ball Bearings:

Boundary dimensions(mm) Load Rating(kN)


d D B Cr Cor
R6 9.525 22.225 5.558 2.57 1.36 0.0096
R8 12.700 28.575 6.35 5.11 2.39 0.0169
R10 15.875 34.925 7.14 6.00 3.25 0.0292
R12 10.050 41.275 7.938 9.38 5.03 0.0447
R14 22.225 47.625 9.525 10.06 5.85 0.0748
R16 50.800 9.525 12.700 10.06 5.85 0.0808
R18 28.575 53.975 12.700 13.23 8.30 0.0847
R20 31.750 57.150 9.525 13.23 8.30 0.0903
R22 34.925 63.500 11.112 16.21 10.42 0.1332
R24 38.100 66.675 11.112 17.03 11.70 0.1384

R20 ZZ-2RS Nonstandard Deep Groove Ball Bearing Features:
1. High quality through hardened bearing steel used for basic construction.

2. Optimized raceway geometry and super finishing.

3. High precision accuracy and manufacturing consistency.

4. Proprietary high performance sealing options.

5. Premium grease as lubrication system.

Packing method:

We have multiple packages for shielded radial ball bearing R8 ZZ-2RS 

1.Industrial package: plastic tube + paper carton + wooden pallet

craft paper + paper carton + wooden pallet

2.Individual package:individual paper box + paper carton + wooden pallet

3.As customer's demand


Our Factory




Working principle:


1. Deep groove ball bearing can bear radial load, radial load and axial load.


2. When it only bears radial load, the contact Angle is zero. When the deep groove ball bearing has a large radial clearance.


3. It has the performance of angular contact bearing and can bear a large axial load.


Shipping method:

1. For small amount (GW<100KGS), we can send you by express, such as DHL, Fedex, TNT etc

2. For GW between 100KGS to 500KGS, we can send you by sea shipping or air shipping

3. For large amount (GW > 500KGS), we can send you by sea


How to Place an Order:


1. Send us your bearing inquiry, including your bearing models, your quantity. If you have brand requirement, please tell us which brand do you need as well.

2. We will quote bearing price for you. Moreover, According to the quantity of goods, we will give you different options of transportation

3. If you agree with our price, we will make proforma invoice for payment

4. After payment is done, we will start to prepare bearings and arrange shipment


Q1: Are you trading company or manufacturer ?


A: We are factory and professional manufactuer of bearings.



Q2: Can I get a sample to check out the quality ?


A: Sure, free samples are available for stock products if you can payfor the shipping cost.



Q3: Can you do OEM to print my logo/brand on the products ?


A: Yes, we can print your logo/brand on the products, you just need to send us your logo/brand files, we will show you how it looks like before shipping out.



Q4: How long is your delivery time ?


A: Generally we have regular stocks for standard bearings that can be shippedin 2 days after your payment. It will take 15-35 days for new production order, which depends on your order quantity.

How can you buy High Speed Customized Non Standard Ball Bearings R20 ZZ-2RS 31.75*57.15* 9.525mm on the Internet?
High quality High Speed Customized Non Standard Ball Bearings R20 ZZ-2RS 31.75*57.15* 9.525mm, Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. R20-2RS. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
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