Bicycle Headset Bearing 40x51.9x8mm-45°x45° Bike Tube Bowl Bearings

• Customization: Available
• After-sales Service: 1 year
• Warranty: 1 year
• Model NO.: ACB40519H8-45/45
• Condition: New
• Certification: CE, ISO9001
• Customized: Non-Customized
• Application: Kids Bike, Road Bike, Mountain Bike, Ordinary Bicycle
• Material: Steel
• Transport Package: Plastic Tube in 10PCS/20PCS
• Specification: 40x51.9x8mm-45° x45°
• Trademark: Neutral/GIL/OEM
• Origin: China
• Production Capacity: in Stock
• Package Size: 5.00cm * 5.00cm * 8.00cm
• Package Gross Weight: 1.000kg

Product Description

DESCRIPTION

Bicycle Headset Bearing

Headset bearings are crucial components located between the bicycle fork and the head tube, responsible for supporting and enabling the steering motion of the bicycle. They bear the force exerted by the rider's hands and the weight of the fork, ensuring smooth and stable steering of the bicycle. 

PRODUCT

Basic Information

Smooth Rotation | Steering Force Withstand

Bearing Type	Bicycle Headset Bearing
Material	Chrome Steel GCr15
Precision Level	P0
Closure Type	Rubber Seal
Contact Angle	45°/45°
Sealing Color	Red/Orange

Characteristics

Smooth Surface | Metallic Luster | Clear Marking

Bike headset bearings feature high durability, smooth rotation, high load capacity, and dust-sealed design, ensuring smooth steering and precise control of the bicycle. They are easy to install and adjust, requiring regular maintenance and lubrication to ensure optimal performance. 
 

Application

Bike headset bearings are primarily used between the bicycle fork and the head tube. They play a crucial role in supporting and enabling the steering motion of the bicycle. Headset bearings allow the bicycle to have agile steering and maneuverability, providing smooth and reliable steering performance. 
 

Catalog

Bearing No.	Bore(d)(mm)	Outer(D)(mm)	Width(B)(mm)	Angle(Cl)	Angle(C2)	Weight(g)
ACB2738H6.5-36/45	27.15	38	6.5	36°	45°	18.2
ACB2738H6.3-45/45	27.15	38	6.3	45°	45°	19
ACB3044H8-45/45	30.05	44	8	45°	45°	31.5
ACB3039H6.5-45/45	30.15	39	6.5	45°	45°	16
ACB3041H6.3-45/45	30.15	41	6.3	45°	4S°	19
ACB3041H6.S-45/45	30.15	41	6.5	45°	4S°	19
ACB304H6.5-36/45	30.15	41	6.5	36°	45°	19.6
ACB3041H7-45/45	30.15	41	7	45°	4S°	20
ACB3041H7.7-36/45	30.15	41	7.7	36°	45°	21.4
ACB30415H6.5-36/36	30.15	42	6.5	36°	36°	20
ACB30418H8-45/45	30.15	42	8	45°	45°	21
ACB30418H6.5-45/45	30.15	42	6.5	45°	4S°	22
ACB30418H7-45/45	30.15	42	7	45°	4S°	22.6
ACB30418H6.3-45/45	30.15	42	6.3	45°	45°	23
ACB30418H7-36/45	30.15	42	7	36°	45°	23.5
ACB3042H7-36/36	30.15	42	7	36°	36°
ACB3042H7-36/45	30.15	42	7	36°	45°
ACB302418H6.3-45/45	30.2	42	6.3	45°	4S°	21
ACB30243H7.2-45/45	30.2	43	7.2	45°	4S°	23.2
ACB302447H7-45/45	30.2	45	7	45°	45°	32
ACB302448H7.9-45/45	30.2	45	7.9	45°	45°	33.4
ACB305418H.7-45/45	30.5	42	7.7	45°	45°	22
ACB305418H8-45/45	30.5	42	8	45°	45°	23
ACB305418H6.3-45/45	30.5	42	6.3	45°	45°
ACB307418H7.7-45/45	30.7	42	7.7	45°	45°
ACB3144H6.3-45/45	31.4	44	6.3	45°	45°	30
ACB31448H6.3-45/45	31.4	45	6.3	45°	45°	32.6
ACB32438H7-45/45	32.4	43.8	7	45°	45°	23
ACB32418H6-45/45	32.8	41.8	6	4S°	45°	16
ACB3344H6-36/45	33	44	6	36°	45°	21
ACB33438H7-30/45	33.05	43.8	7	30°	45°	23.8
ACB334SH7-45/45	33.5	45	7	45°	45°	26.2
ACB3446H7-45/45	34.1	46	7	4S°	4S°	25
ACB34468H7-45/45	34.1	46.8	7	45°	45°	27.7
ACB34469H7-45/45	34.1	46.9	7	45°	45°
ACB3544H5-90/90	35	44	5	90°	90°	16
ACB3544H5.5-36/45	35	44	5.5	36°	4S°	32
ACB354535H7.3-45/45	35	45.35	7.3	45°	45°	22.3
ACB3547H8-45/45	35	47	8	45°	45°	29.9
ACB36458H6.5-45/45	36.8	45.8	6.5	45°	45°	18.9
ACB3748H7-45/45	37	48	7	45°	45°	27
ACB37489H6.5-36/45	37	48.9	6.5	36°	45°	25.9
ACB3749H6.5-36/45	37	49	6.5	36°	45°	25.25
ACB3749H7-36/45	37	49	7	36°	45°	28.1
ACB3749H7-45/45	37	49	7	45°	45°	28.8
ACB40508H7-45/90	40	50.8	7	4S°	90°	26.8
ACB4051H6.5-36/36	40	51	6.5	36°	36°	24.8
ACB4051H8-36/45	40	51	8	36°	45°	29.3
ACB4051H7-45/45	40	51	7	4S°	45°
ACB4051SH7-4S/45	40	51.5	7	45°	45°
ACB40518H7-45/45	40	51.8	7	45°	45°	30.8
ACB40518H8-36/45	40	51.8	8	36°	45°	32.6
ACB40518H7.5-36/45	40	51.8	7.5	36°	45°	33
ACB40518H8-45/45	40	51.8	8	45°	45°	33.1
ACB40518H8-90/90	40	51.8	8	90°	90°
ACB40519H7-45/45	40	51.9	7	45°	45°	29.6
ACB40519H8-45/45	40	51.9	8	45°	45°	32.6
ACB4052H6.5-36/45	40	52	6.5	36°	45°	29.2
ACB4052H7-90/90	40	52	7	90°	90°	30.9
ACB4052H7-45/45	40	52	7	45°	45°	31.5
ACB4052H7-36/45	40	52	7	36°	45°	31.8
ACB4052H7.5-45/45	40	52	7.5	45°	45°	34.2
ACB4052H8-45/45	40	52	8	45°	45°	36
ACB40495H6.5-45/45	40.5	49.5	6.5	45°	45°	21.4
ACB4660H8-45/45	46	60	8	45°	45°
ACB50619H8-36/45	50	61.9	8	36°	45°

PACKING & SHIPPING

Packing Solutions

Sticker with Model | Plastic Tube | Carton

Delivery Days

5 Days | 15 Days | 30 Days

RELATED

Related Bicycle Bearings

Click to the Corresponding Pages

1	Headset Bearing	5	Frame Bearing
2	Hub Bearing	6	Derailleur Bearings
3	Bottom Bracket Bearing	7	Pedal Bearings
4	Motor Bearing	8	V-Max Bearings

 

QUALITY

Quality Control

100% Crack Detection | 1 Year Factory Warranty

Granville, a high-quality product manufacturer, ensures compliance with top standards in steel quality, contact surface design, and efficient packing and lubrication of parts. 

Granville Group takes every effort in purchasing themost advanced automatic bearing process equipment.The worthy,economical and reliable bearings are guaranteed by the excellent wholly automatic production lines. 
 

 

SERVICE

Services

Free Samples | Custom Solutions | Free Consultation | Premium Quality

Partnership

We have built strong relationships with reliable partners, expanded our network, and gained valuable customer insights. This has led to trust and collaboration with partners who share our commitment to quality and service excellence, opening up new growth opportunities.

We are committed to continuing this approach to foster long-term, mutually beneficial partnerships.

Testing Result

Granville Group Bearings has passed the test of professional cyclists in the Tour de France during their training.  
 

Contact

In Stock | Low MOQ | Laser Marking Available

Start Order Request / Chat to get check the latest stock, we will arrange delivery in the order of the inquiry code.