Product Description
1. Structure
A whole bearing mainly composed of five parts: inner ring, outer ring, roller body, cage and lubricant. If it is a closed bearing, also includes dust shields or seal rings, which are designed to prevent external matters like dust or oils from entering.
2. Materials
Materials largely determine the bearing's performance and life. CBB put efforts to select materials for bearing rings and part suppliers in a rigorous manner.
CBB boasts a set of strict and polished incoming goods inspection system. Before being put into storage , every batch of steels and parts is under system inspection, including analysis of material composition, metallographic analysis, accuracy check, assembly test, etc.
| Steel |
Chemical composition(%) |
| Gcr15 |
C |
SI |
MN |
P |
S |
Cr |
Mo |
Cu |
Ni |
| 0.95-1.05 |
0.15-0.35 |
0.25-0.45 |
<0.025 |
<0.025 |
1.4-1.65 |
- |
<0.25 |
<0.3 |
3. Precision
| Precision Grade |
| P0 |
P6 |
P5 |
P4 |
P2 |
| ABEC-1 |
ABEC-3 |
ABEC-5 |
ABEC-7 |
ABEC-9 |
Precision of bearing involves two aspects: dimension and rotation. The accuracy of CBB usually up to above P6, which can be widedly applied in general motor.
Product Parameters
| ITEM |
I.D |
O.D |
W |
Load Rating (KN) |
Steel Ball |
Max Speed |
| d/mm |
D/mm |
B/mm |
Dynamic/Cr |
Static/Cor |
QTY. |
SIZE/mm |
Grease |
Oil |
| 6204 |
20 |
40 |
14 |
12.8 |
6.65 |
8 |
7.94 |
16000 |
18000 |
| 6205 |
25 |
47 |
15 |
14 |
7.85 |
9 |
7.94 |
13000 |
15000 |
| 6206 |
30 |
52 |
16 |
19.5 |
11.3 |
9 |
9.53 |
11000 |
13000 |
Application
Q&A
1. Q: Do you accept a smaller purchasing quantity, for example, thousands of sets?
A: It's OK for products with our own barnds.
2. Q: If open account, how long you could accept?
A: Usually, we ask for full payment before shipment for new customers. If we could establish long-term cooperation later, we can negotiate it.
3. Q: Can you accept rush order?
A: If the item you want has sufficient production capacity, it's ok, maybe one week to deliver. While if the item you want is popular, for example, 6202, it is difficult to deliver in short time.
){kind=link}