Mining Industry bearing 180305 C3 for Carrying Roller

Payment Type: L/C,T/T
Incoterm: FOB,CFR,CIF
Min. Order: 100 Piece/Pieces
Delivery Time: 5 Days

Basic Info

Model No.: 180305 C3

Aligning: Non-Aligning Bearing

Rows Number: Single

Load Direction: Radial Bearing

Material: Chrome Steel GCr15

Precision Rating: P0 P6 P5 P4

Lubrication: Great Wall Grease(SINOPEC) Four Seasons General

Feature: Seize-Resistant

Bore Diameter: 25mm

Outside Diameter: 62mm

Width: 17mm

Weight: 0.232kg

Sealed Type: Rubber Seals

Cage: Steel

Additional Info

Packaging: 1)Neutral package & wooden package 2)Carton package+pallet 3)Wooden package+pallet 4)As customer request

Productivity: 50000 Pieces/day


Transportation: Ocean,Land,Air,Express

Place of Origin: Shandong,China

Supply Ability: 50000 Pieces/Day

Certificate: ISO9001:2015

HS Code: 8482102000

Port: Qingdao,Shenzhen,Guangzhou

Product Description

bearing 180305 C3, which is old model of bearing 6305 2RS C3, which is rubber sealed deep groove ball bearing used for Mining Industry conveyor idler. Our XKTE supply high quality rolling ball bearings are used in a wide variety of roles, include tunnel construction, mining, animal feed industry, cement production, recycling and port facilities. 

Rubber Seals Bearing

The most important part of conveyor idler is bearing. It is unique design deep groove ball bearing for conveyor idler roller that meet all challenges: extremely different temperatures, low-speed, bulk materials handling, humidity, dust, dirt, as well as noise and vibration environments.

Sealed Bearing 6305 2rs

Bearing 6305 2rs C3

Bearing 6305 2rs C3

Sealed Ball Bearing 6305 2rs

Sealed type: 

With one seal (-RS) on one side or two seals (-2RS) on both sides. Sealed bearings are supplied with a contacting lip seal that excels in protecting the bearing from liquids and other foreign contaminants. The inherent design creates friction, drag, and in turn heat; factors that require consideration in high speed applications.

Rubber Sealed Deep Groove Ball Bearing

Select the large bearing clearance (ie. C3, C4) here is very important. It compensates for shaft deflections as well as temperature differentials. This provides the bearing room for expansion between the bearing races and will add a small amount of play between the two rings. Large clearance usually used in harsh environment. with good anti-seize performance used in particularly harsh environment.
Bearing Clearance

Bulk Material Handling Belt Conveyor

Design Characteristic:

Our open type deep groove ball bearings use unique design steel cage, The inner/outer rings and  Retainer(cage) are thicker compare with the Common bearings, stronger rivet, which consist more reliable structure. strong impact and heavy load with Grinding groove and super finished surface technology. to offer the long life under extreme harsh environment.

Open Deep Groove Ball Bearing Feature

Ball Bearing Laser

Details Of Thick Cage

Iron Cage Bearing Detail

Super Finished Surface Technology
Dimensions such as the outer and inner diameters and the width are ground to micrometer (one-thousandth of a millimeter) precision, as is the groove, a key internal structure formed between the inner and outer rings in which balls run.

Super Finished Surface

Thicker Inner & Outer Ring
The ring is the main part and the important part of the idler roller bearing. Best idler roller bearing has deep groove ball, and large clearance. But deep groove doesn`t mean to dig the channel with a simple way of enlarge the steel ball. The thickness of the bearing is certain, so to get the ball big and the groove deep will shorten service life. Our XKTE bearing uses way of thickening ring to get the standard of deep groove and large clearance, improves the anti-stuck performance, and effectively increases the service life.

Thicker Inner Outer Rings

Grease selection of roller bearing

Many customers ignore this most critical point. The thirty-thousands-hours operation is a very long term. This has to be guaranteed by enough quality and quantity grease. And this should also be taken into account of working in different seasons.

Sealed Bearing Grease

Other Main Products for idler:

6200/6300 series deep groove ball bearing

6200/6300 series is well suited for low to heavy radial loads and can be configured for various application speeds and running precision requirements. Reinforced iron Retainer, Super-finished deep groove, smooth race, thicker inner and outer ring.

6200/6300 Series Deep Groove Ball Bearing
Model Bore Size(mm) Outer Diameter(mm) High(mm) Weight(kg) ball no. Cr(kN) Cor(kN)
180204/6204 2RS C3 20 47 14 0.106 8 12.8 6.65
180205/6205 2RS C3 25 52 15 0.128 9 14 7.85
180305/6305 2RS C3 25 62 17 0.232 7 20.6 11.3
180306/6306 2RS C3 30 72 19 0.346 8 26.7 15
180307/6307 2RS C3 35 80 21 0.457 8 33.4 19.3
180308/6308 2RS C3 40 90 23 0.639 8 40.8 24
180309/6309 2RS C3 45 100 25 0.837 8 52.8 31.8
180310/6310 2RS C3 50 110 27 1.082 8 61.8 38
Material  Chrome Steel GCr15


Open type:  6204---6310   6204/C3---6310/C3   6204/C4---6310/C4

Nylon cage bearing:  6204KA---6308KA  6204KA/C3---6308KA/C3   6204KA/C4---6308KA/C4

Rubber Sealed bearing:  6204-2RS---6310-2RS    6204-2RZ---6310-2RZ   180204---180308

Shielded Ball Bearing:  60204---60310    6204KA-Z---6308KA-Z    6204TN-Z---6308TN-Z 6204ZZ---6310ZZ

Unique Design Anti-seizeing Deep Groove Ball bearing for conveyor components,  Troughing idler , Impact Idler, Return Idler, Guide Idler, Spiral Idler, Transition Idler, Flat Self-aligning Idler etc.

Our Service:

1. Volume production and large Inventories, stable quality

2. OEM is supported

3. Small order accept

4. Various Brands

5. Wide Array of Applications

6. Fast delivery

7. Our company insists on the "quality first, credit first" business ideas and our product specification is well-founded. We have a good reputation in the international market by our perfect service and sufficient supply.

Special: XKTE - Ball Bearings and Rolling Bearings in Conveyor Technology

XKTE is the specialist in rolling bearing technology for the mechanical application of continuous conveyors.

About US:

Shandong Xinkaite Bearing Co., Ltd. is a professional belt conveyor roller bearing manufacturer enterprise, specialized in manufacturing bearings for the bulk material handling industry. our bearings are being used in multiple applications including: mining machinery, carrying idlers and reverse rollers as well as drum pulley. Our factory is located in Yandian of Liaocheng in mainland China, covered an area of 18,000 square meters,  registered  trademarks "XKTE".

To be the first class, to do the best quality, to make users satisfied, to ensure customers relieved, are our enterprise purposes. Welcome bearing dealers` and conveyor idler manufacturers contact from all over the world, and become our partner.
Factory New


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