Model NO.: mr18307-2rs
Size: 18*30*7 mm
Stock: Rich
Quality: Best
Weight: 0.01kgs
Cage Material: J Plate Stamping
Trademark: JPG
Transport Package: as Customer's Request
Specification: depends on order
Origin: Jiangsu Nanjing
HS Code: 84821020
Model NO.: mr18307-2rs
Size: 18*30*7 mm
Stock: Rich
Quality: Best
Weight: 0.01kgs
Cage Material: J Plate Stamping
Trademark: JPG
Transport Package: as Customer's Request
Specification: depends on order
Origin: Jiangsu Nanjing
HS Code: 84821020
Customized mountain bike shaft bearing mr18307-2rs bearing 18*30*7 bicycle shaft bearingÂ
1. The inner circle and outer ring can be designed according to the requirements.
2. Bearing steel quality, also can provide stainless steel material as needed, using ceramic ball structure.
3. The order quantity reaches 5000 sets. The sealing ring can provide different colors.
4. The maintainer is the steel stamping storage rack, and the nylon cage can be changed as needed.
5. SHELL grease or other high-performance oils.
6. Design of double-sided sealing ring.
|
Specification as followings :Â
Bicycle headset bearings are essential components in a bicycle’s front fork system, providing a smooth and low-friction interface between the fork and the frame. These bearings are typically ball bearings and play a crucial role in ensuring the stability and performance of the bike during riding. They are commonly used in mountain bikes, road bikes, and hybrid bikes for reliable operation and durability.
Bearing No. |
ID |
OD |
H |
Chamfer º |
Qty of Seal |
Ref THÂ ind. |
Material |
ACB41K |
30.15 |
41 |
6.5 |
36°/45° |
2 |
TH-873 |
chrome steel |
ACB39 |
30.15 |
39 |
6.5 |
45°/45° |
2 |
 |
chrome steel |
ACB41H7Â |
30.15 |
41 |
7 |
45°/45° |
1 |
 |
chrome steel |
ACB418 |
30.15 |
41.8 |
6.5 |
45°/45° |
2 |
 |
chrome steel |
ACB418H7 |
30.15 |
41.8 |
7 |
45°/45° |
2 |
 |
chrome steel |
ACB418H8 |
30.6 |
41.8 |
8 |
45°/45° |
1 |
 |
chrome steel |
ACB418H8F |
30.6 |
41.8 |
8 |
45°/45° |
1 |
TH-870 |
chrome steel |
ACB44 |
30.15 |
44 |
8 |
45°/45° |
2 |
 |
chrome steel |
ACB1645 |
40 |
52 |
7 |
45°/45° |
2 |
 |
chrome steel |
ACB52 |
40 |
52 |
8 |
45°/45° |
2 |
 |
chrome steel |
ACB1645/12 |
40 |
52 |
12 |
45°/45° |
1 |
 |
chrome steel |
ACB518K |
40 |
51.8 |
8 |
36°/45° |
2 |
TH-073 |
chrome steel |
Bearing No. |
ID |
OD |
W |
Seals |
Seals Color |
Cage |
 |
30.15 |
41.00 |
6.50 |
Two different seals |
Black |
Nylon 66 |
MH-P03K |
30.15 |
41.00 |
6.50 |
Two different seals |
Blue |
Nylon 66 |
MH-P04 |
30.15 |
39.00 |
6.50 |
Two different seals |
Black |
Nylon 66 |
MH-P08 |
30.45 |
41.80 |
6.50 |
Two different seals |
Orange |
Nylon 66 |
MH-P09K |
27.15 |
38.00 |
6.50 |
Two different seals |
Blue |
Nylon 66 |
MH-P15 |
33.05 |
43.80 |
7.00 |
Two different seals |
Black |
Nylon 66 |
MH-P16 |
40.00 |
52.00 |
7.00 |
Two different seals |
Black |
Nylon 66 |
MH-03K & MH-P09K: Inner Ring with Black Oxide treatment. |
UseProper installation and maintenance are critical for the performance and longevity of these bearings. Ensure that the surrounding area is clean and free from contaminants. Use appropriate tools for installation to avoid damaging the bearing. Regular lubrication with suitable oil or grease is recommended. Avoid exposing the bearings to damp environments and always wear gloves when handling them. For special conditions like high temperature or high-speed usage, it is advised to consult with our team for customized solutions.StorageBearings are coated with anti-rust oil and wrapped in anti-rust paper during manufacturing. As long as the packaging remains intact, the quality will be maintained. Store them in dry conditions with humidity below 65% and at a temperature around 20°C. Keep them at least 30 cm above the ground and away from direct sunlight or cold walls.

Packaging:1. Neutral Package: Plastic Bag + Carton + Pallet;
2. Commercial Package: Plastic Bag + Box + Carton + Pallet;
3. As per clients' requirements.
Delivery:
1. Less than 1000 pcs, we will send by express (Door to Door, convenient),
Or by air transport (Fastest and safest, but expensive).
2. More than 1000 pcs, we will send by sea (Cheapest and safe).
Payment:
1. Less than 1000 pcs, 100% T/T, Western Union in advance.
2. Between 1000-10000 pcs, TT, Western Union, MoneyGram.
3. More than 10000 pcs, TT, L/C, Western Union, MoneyGram.
X-over Coupling or crossover
Coupling
Tubing and Casing couplings are the joining of two short length pipe, mainly used for the connection and repair of oil pipe and downhole tools
Tubing and couplings thread types : Non-upset thread(NU), External- upset thread(EU);
Casing and couplings thread types: Long-round thread(LC), Short-round thread(SC), buttress thread(BC)
Grade: K55,J55,N80-1,N80Q,L80-1,P110,etc.
Pup joint
Tubing and casing pup joints are machined according to the latest version of API SPEC 5CT. The steel grade includes J55,K55,N80-1,N80Q,L80-1,P110,etc. There are two types of thread widely used in tubing pup joint namely Non-upset thread(NU), External- upset thread(EU);
Casing and couplings thread types: Long-round thread(LC), Short-round thread(SC), buttress thread(BC).
Our testing and inspection method system is complete, using a whole set of thread instrument to inspect taper, pitch, tooth, height, tooth type,etc. The products have passed the identification of china petroleum pipeline. Quality supervision ,inspection and testing center and gained the unanimous praise from the customers.
crossover
Crossover coupling any size ,length ,grade and weight is available on customer request.
X-Over Coupling,X-Over Crossover,Oil Well Tubing,Tubing Pipe Coupling
Henan Dongfanglong Machine Manufacture Co., Ltd , https://www.dfloilm.com