We are manufacturer of cylindrical roller ,needle roller and shaft in Changzhou,China.
We according to your drawings to produce rollers and you design the code name.
1.The details of 2*13.8mm bearing roller pin
Material standard:GCR 15(100Cr6)
Diameter :2mm
Length: 13.8mm
Tolerance:-2/-4μm
picture of 2*13.8needle roller:
2.The details of our products:
Table1 Details of our products
Material | GCr15,Stainless steel,20crmo,40crmo,45# |
Our main products | Needle roller,roller,shaft,needle roller bearing |
Needle roller length tolerance | 0~0.2mm |
Roller length tolerance | 0~0.03mm |
Diameter tolerance | 0~0.001mm |
Surface finish | Within 0.0001mm |
Diameter | 0.7mm to 80mm |
Length | 2mm to 150mm |
Hardness standard | HRC58—65 |
Grade | G1,G2,G3, |
Chamfer | 0.1 ,0.2,0.3 |
Roundness | within 0.001mm |
USE | Widely be used in machinery |
Certificate | ISO 9001:2008 |
(1)Needle roller
Table2 Dimension Tolerance and Geometrical Precision
Quality grade | Deviation (μm) | Tolerance of each sort (μm) | Group of sort Deviation (μm) | Roundness Tolerance(Max) | Length Tolerance |
G2 | 0-10 | 2 | 0/-2,-1/-3,-2/-4 | 1 |
h13 |
-3/-5,-4/-6,-5/-7 | |||||
-6/-8,-7/-9,-8/-10 | |||||
G3 | 0/-10 | 3 | 0/-3,-1.5/-4.5,-3/-6 | 1.5 | |
-4.5/-7.5,-6/-9,-7/-10 | |||||
G5 | 0/-10 | 5 | 0/-5,-3/-8,-5/-10 | 2.5 |
needle roller&cylindrical roller
(2)Shaft
3.about material-----GCr15
(1)What's GCr15?
GCr15 is the mostly widely used high-carbon chromium bearing steel with less alloy content and good performance.It has high and uniform hardness, good
abrasion resistance and high contact fatigue performance after heat-treatment
and tempring.
(2)The details of GCr15
Elment | C | Si | Mn | P | S | Cr |
Content | 0.95-1.05 | 0.15-0.35 | 0.20-0.40 | ≤0.027 | ≤0.020 | 1.30-1.65 |
(3)GCr15 in other country
executive standard:
China GB/T18254-2002
Japan JIS G4805:1991
USA ASTM A295:1998
Unified digital code :B00150
Country | China | US | Janpan | Germany | France | ISO |
Grade | GB | AST | JIS | DIN,DINEN | NP,NPEN | ISO630 |
Bearing steel Chrome steel | GCr9 | 51100 | SUJ1 | |||
GCr15 | 52100 | SUJ2 | 100Cr6 | 100Cr6 | 1 | |
9Cr18Mo | 440C | SUS440C | Z100C D17 |
5.Show you part of our process flow:
6.Package
7.This is our Plant:
8.Quality control:You should believe the quality of our products,because we have these machines to control our quality.
9.Certification
We supply a vast array of needle roller,cylindrical roller and shafts,.Whatever your needs, we're here to help!
We manufacture both standard and custom needle roller.
For more informations,please contact with me!
