Specification:

1.Raw materials: high carbon chromium bearing steel ,which is normally known as:2. Size same as your drawing paper or your samples.
3. Hardness after quenching and tempering: HRC 61-64
4. Hardness Tolerance: less than1mm
5. Diameter: 5mm to 25mm

Tolerance Value:

Grade	Dw mm		Geometric Tolerance (μm)			Cone angle Tolerance (μm)		Gauge lot size variation (μm)
			VDwp	ΔCir	SDw	Δ2φ		VDwl	V2φL
	From	To	Max			Up	Down	Max
Ⅱ	-	10	1.2		3.0	+2.0	-2.0	2.0	2.0
	10	18	1.2		4.0	+2.0	-2.0	2.5	2.0
	18	30	1.5		5.0	+2.5	-2.5	3.0	2.5
Ⅲ	-	10	2.0		5.0	+2.0	-2.0	3.0	3.0
	10	18	2.0		6.5	+3.0	-3.0	3.0	3.0
	18	30	3.0		8.5	+4.0	-4.0	5.0	5.0

 
Surface roughness

Grade	Surface Roughness   Ra (μm)
	Rolling surface		Datum end surface	Non-datum plane, chamfer
	Max
Ⅱ	0.125		0.16	2.5
Ⅲ	DW≤30mm	0.16	0.32	2.5
	DW>30mm	0.25

 
Residual Magnetism

Diameter mm	From	-	18
	To	18	30
Max   mT		0.2	0.25

Application:

Weichuang brand taper rollers facilitate smooth rotation of bearings, reducing starting torque and contributing to longer life of end products. It is widely used in the following market:

1.    High –speed, low noise of the special bearings

2.    Automobile components: Suspension hubs bearing, engines bearing, transmissions bearing, etc.

3. Industrial machinery components: Speed reducers bearing, motors bearing, etc.

Our Products Ranges:

1. Tapered roller die & mould

2. Steel ball die & mould

3. Stamping Auto part die & mould

4. Tapered rollers

5. Bearing roller grinder tooling parts

 

Process of Roller:

1.    Inquiry: send us samples or drawing

2.    Negotiation: confirm the size, raw materials , payment, delivery, price and standards

3.    Order: sign the contract

4.    Producing: confirm the drawing ,make production

5.    Mold testing

6.    Delivery by Sea, air or express according your request.

Why choose us?

1.27 years producing experience.
2. OEM&ODM services
3. Certificate: ISO9001:2000, ISO/TS16949
4. 230 experienced workers
5. Has design team and get 80 patents for invention
7. Fast production time and delivery time
8. All raw materials are tested before use
9. Long time after sales services.

FAQ
1.Are you factory?
 Yes, we are manufacturer; factory is located in Luoyang, Henan Province, China.
2. How can I get a quotation?
    First, we need your technical data (2D, 3D drawings or samples), the standards you use (G/B, JIS, DIN, ANSI, B/S or others) and other special requirements. After receiving that, our design department will study and evaluate it. Quotation will be sent soon after we confirm all details with our engineers.
3. Does your company provide design service?
    Absolutely yes. We have helped many customers invent their new products mold. Our engineers will give you professional suggestion to help you solve the problems which may encounter in the future.