6011 6011-Z 6011-2Z 6011-RS 6011-2RS Ball Bearing 55*90*18mm C0 Clearance For Air Compressors Pump Transmission
Product Overview
- GQZ single row deep groove ball bearings cover complete size range 6011 6011-Z 6011-2Z 6011-RS 6011-2RS models. Manufactured with high-hardness GCr15 chrome bearing steel, these radial ball bearings support multiple seal options including open, Z metal shield, RS single rubber seal and 2RS double contact rubber seal. Featuring simple structure, low noise and stable high-speed performance, they fit various light, medium and heavy radial load equipment, widely used for general industrial, agricultural, motor and transmission machinery with universal interchangeable standard dimensions.
Key Specifiions
| Parameter |
Specifiion |
| Bearing Model |
6011 6011-Z 6011-2Z 6011-RS 6011-2RS |
| Bearing Type |
Deep Groove Ball Bearing |
| Inner diameter |
55 mm |
| Outer diameter |
90 mm |
| Width |
18 mm |
| Seal options |
Open, ZZ metal shield, 2RS rubber contact seal |
| Material |
GCr15 Chrome Bearing Steel |
| Ball Material |
Chrome Steel |
| Lubriion |
Grease |
Main Features
- Double 2RS contact seals for effective dust and water resistance
- High-hardness GCr15 steel for wear resistance and long service life
- Smooth low-noise operation under continuous high-speed rotation
- Standard universal dimensions for direct old bearing replacement
- Stable radial load capacity, simple installation and maintenance
- Wide working temperature range from -20℃ to 120℃
Typical Appliions
- Electric motors, small fans and blowers
- Agricultural conveyor and harvesting equipment
- Textile weaving and spinning machinery
- Packaging printing transmission lines
- Small gearboxes and household machinery
- General industrial roller transport devices
Our Products
| Bearing No. |
Inner Diameter d (mm) |
Outer Diameter D (mm) |
Width B (mm) |
| 6008 |
40 |
68 |
15 |
| 6008 - Z |
40 |
68 |
15 |
| 6008 - 2Z |
40 |
68 |
15 |
| 6008 - RS |
40 |
68 |
15 |
| 6008 - 2RS |
40 |
68 |
15 |
| 6009 |
45 |
75 |
16 |
| 6009 - Z |
45 |
75 |
16 |
| 6009 - 2Z |
45 |
75 |
16 |
| 6009 - RS |
45 |
75 |
16 |
| 6009 - 2RS |
45 |
75 |
16 |
| 6010 |
50 |
80 |
16 |
| 6010 - Z |
50 |
80 |
16 |
| 6010 - 2Z |
50 |
80 |
16 |
| 6010 - RS |
50 |
80 |
16 |
| 6010 - 2RS |
50 |
80 |
16 |
| 6011 |
55 |
90 |
18 |
| 6011 - Z |
55 |
90 |
18 |
| 6011 - 2Z |
55 |
90 |
18 |
| 6011 - RS |
55 |
90 |
18 |
| 6011 - 2RS |
55 |
90 |
18 |
Why Choose GQZ Bearing
- Strict heat treatment to ensure consistent hardness and precision
- Complete 6004–6416 sizes in stock for fast delivery
- Dustproof 2RS sealed design reduces frequent lubriion
- Support OEM customization, free samples available
- Factory direct wholesale price with stable supply capacity
- Rigorous quality inspection before shipment



FAQ
Q1: What does 2RS stand for?
A1: It means double-side rubber contact seals, anti-dust and splash-proof.
Q2: What material are these bearings?
A2: Bearing rings and balls are made of GCr15 chrome bearing steel.
Q3: Can these bearings run at high speed?
A3: Yes, they feature smooth structure for stable high-speed low-noise operation.
Q4: What lubriion is suitable?
A4: Grease lubriion is standard; oil lubriion is also acceptable.
Q5: Do you accept small bulk orders?
A5: Yes, we support both small trial orders and large wholesale OEM orders.