ST491B,FD209RB,DHU1-1/2R-209,Round Bore Flanged Disc Bearings

ST491B bearing dimensions:


1.5000 in

38.100 mm


5.0000 in

127.0 mm


1.6870 in

42.850 mm


0.2700 in

6.9 mm


1.6340 in

41.5 mm


5.0000 in

127.0 mm


3.8650 in

98.2 mm


2.3400 in

59.4 mm


2.2640 in

57.510 mm


0.5310 x 0.6870in

13.5 x 17.4 mm

ST491B bearing Specifications:


4-Bolt Square Flanged Unit

Bearing Type

Ball Bearing

Seal Type


Seal Material

Nitrile Rubber



Housing Construction

2 Piece

End Type



Heavy Duty

Dynamic Load Rating

7385 lbf

32850 N

32.85 kN

Static Load Rating

4586 lbf

20400 N

20.40 kN


3.741 lb

1.697 kg



W208PPB23 bearing real photos:

ST491B bearing ST491B bearingW208PPB23 bearing size W208PPB23 bearing

Shipping Methods:

1. For a 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

DG357225 Ball Auto Gearbox Bearing 25X68X12 GCR15 Rear High Performance 1

How to place an order:

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

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

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

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


Q1: Are you a trading company or manufacturer?

A: We are a 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 pay for 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 shipped 2 days after your payment. It will take 15-35 days for the new production order, which depends on your order quantity.

Contact us:

WhatsApp:+86 13589478060