Japan KOYO Ball Bearing 52308 KOYO Thrust Ball Bearing 52308 Crane Hook Bearing 40*78*49mm

1.Thrust Ball Bearing Information:

· The single direction thrust ball bearing consist of a shaft washer, a housing washer and a ball

  and cage thrust assembly.

· The bearings are separable so that mounting is simple as the washers and the ball and cage

  assembly can be mounted separately.

· The types: bearings with a flat seat surface on the housing washer, bearings with a sphered

  seat surface and bearings with a sphered housing washer can be used together with a 

  sphered seat washer

· This type bearing can accommodate axial loads in one direction and thus locate a shaft axially.

2.Thrust Ball Bearing Features:
1:Retainer: Brass/Nylon/Steel as your requirement
2:Single direction
3:Restricted tolerances
4:Vibration resistance
5:Suitable for high speed

6:Radial load Product 

3.Thrust Ball Bearing Protection:
1. The installation is correct, that affects precision, life, performance. And fill the bearing with lubricant after installation.
2. Don't allow strong impact, such as hammer striking, transfer roller pressure
3. Use the accurate installation tool, avoid to use cloth kind and short fibers
4. Lubricate the bearing to avoid rust with high quality mineral oil, especially in summer
5. General inspection, such as the surrounding temperature, vibrate, noise inspection
6. Keep bearing cleaning from dirt, dust, pollutant, moisture.
7. Bearing should not be ultra cooled.

4:Thrust Ball Bearings Application:

Applies only to withstand side of the axial load, the speed on the lower parts, such as crane hooks, vertical pumps, vertical centrifuge, jack, speed reducer and so on. Shaft bearing ring, seat ring and rolling elements are separated, you can dismantle respectively.

 SOLUTION

– At the beginning, we will have a communication with our customers on their demand, then our  engineers will work out an optimum solution based on the customers’ demand and condition.
 PRODUCTION

– Running in accordance with ISO 9001 quality system, the advanced production equipments,  sophisticated processing technology, strict quality management system, skilled workers and innovative technical team, make our bearings in continuous quality improvement & technology development.
 QUALITY CONTROL (Q/C)

- In accordance with ISO standards, we have professional Q/C staff, precision testing instruments and internal inspection system, the quality control is implemented in every process from material receiving to products packaging to ensure our bearings quality.
 PACKAGE

– Standardized export packing and environment-protected packing material are used for our bearings, the custom boxes, labels, barcodes etc. can also be provided according to our customer’s request.
 LOGISTIC

 – Normally, our bearings will be sent to the customers by ocean transportation due to its heavy weight, airfreight, express is also available if our customers need.
 WARRANTY

– We warrant our bearings to be free from defects in material and workmanship for a 12 months period from the shipping date, this warranty is voided by non-recommended use, improper installation or physical damage.

High Quality Bearings, Choose Saifan.
Jinan Saifan Bearing Co., Ltd is a professional bearing manufacture located in Jinan, Shandong.

We are established in year 2005 and we have 10 years experience in bearing manufacture.
We mainly produce wheel hub bearings, ball bearings, roller bearings etc.

 

Q:What’s your after-sales service and warranty?

A: We promise to bear the following responsibility when defective product is found:

1.12 months warranty from the first day of receiving goods;

2. Replacements would be sent with goods of your next order;

3. Refund for defective products if customers require.

Q:Do you accept ODM&OEM orders?

A: Yes, we provide ODM&OEM services to worldwide customers, we are able to customize housings in different styles, and sizes in different brands, we also customize circuit board & packaging box as per your requirements.

Q:What’s the MOQ?

A: MOQ is 10pcs for standardized products; for customized products, MOQ should be negotiated in advance. There is no MOQ for sample orders.

Q:How long is the lead time?

A: The lead time for sample orders is 3-5 days, for bulk orders is 5-15 days.

Q:Do you offer free samples?

A: Yes we offer free samples to distributors and wholesalers, however customers should bear freight.

We DO NOT offer free samples to end users.

Q:How to place orders?

A: 1. Email us the model, brand and quantity, consignee information, shipping way and payment terms;

2. Proforma Invoice made and sent to you;

3. Complete Payment after confirming the PI;

4. Confirm Payment and arrange production.