Wuxi Guangqiang Bearing Trade Co.,Ltd
| Precision rating | P0/P6 |
| Certifiion | ISO9001:2015 |
| Supply Ability | 100000 Sets per month |
| Material | GCr15 Chrome Bearing Steel |
| Inner diameter（d） | 55mm |
| Bearing Model | 6311‑2Z/C3 |
| Delivery Time | 3-5 working days |
| Width（B） | 29mm |
| Number of row | Single Row |
| Payment Terms | T/T |
| Packaging Details | in individual packing box |
| Outer diameter（D） | 120mm |
| Seal type | 2Z Double Metal Shields |
| Model Number | 6311‑2Z/C3 |
| Brand Name | GQZ /OEM |
| Place of Origin | China |
| Certification | ISO9001:2015 |
View Detail Information
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Product Specification
| Precision rating | P0/P6 | Certifiion | ISO9001:2015 |
| Supply Ability | 100000 Sets per month | Material | GCr15 Chrome Bearing Steel |
| Inner diameter（d） | 55mm | Bearing Model | 6311‑2Z/C3 |
| Delivery Time | 3-5 working days | Width（B） | 29mm |
| Number of row | Single Row | Payment Terms | T/T |
| Packaging Details | in individual packing box | Outer diameter（D） | 120mm |
| Seal type | 2Z Double Metal Shields | Model Number | 6311‑2Z/C3 |
| Brand Name | GQZ /OEM | Place of Origin | China |
| Certification | ISO9001:2015 | ||
| High Light | 6311-2Z/C3 deep groove ball bearing ，55x120x29mm transmission shaft bearing ，single row deep groove bearing | ||
*Need a quick quote? Just send us your bearing model & quantity — we’ll get back to you fast.
| Item | Specification |
|---|---|
| Bearing Model | 6311‑2Z/C3 |
| Bearing Type | Single Row Deep Groove Ball Bearing |
| Bore(d) | 55 mm |
| Outer Diameter(D) | 120 mm |
| Width(B) | 29 mm |
| Basic Dynamic Load(Cr) | 71.5 kN |
| Basic Static Load(C0r) | 44.8 kN |
| Limiting Speed(Grease) | 6300 r/min |
| Seal Type | 2Z Double Metal Shields |
| Cage Material | Sheet Steel Cage |
| Material | GCr15 Chrome Bearing Steel |
| Tolerance Class | P0 |
| Number Of Row | Single Row |
| Internal Clearance | C3 |
| Weight | 1.21 kg |
*Ready stock. Short lead time. Fast delivery. Send us your bearing list and let’s get started!
Q1: What do 2Z and C3 mean?
A1: 2Z stands for double metal dust shields; C3 is enlarged internal clearance for high‑speed and high‑temperature conditions.
Q2: Is this bearing pre‑greased?
A2: Yes, factory pre‑greased, ready for direct installation.
Q3: What loads can it bear?
A3: Main radial load, also accepts small bidirectional axial loads.
Q4: Why select C3 clearance?
A4: To prevent bearing locking caused by shaft thermal expansion at high working temperature.
Q5: Difference between 2Z and 2RS?
A5: 2Z metal shield fits high‑speed use with low friction; 2RS rubber seal provides better water‑proof performance.
*Need custom bearings? Share your drawings, specifications or requirements — we’ll find the right solution for you.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter,Trading Company
Year Established:
1989
Total Annual:
1000000-10000000
Employee Number:
10~100
Ecer Certification：
Verified Supplier
Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad... Established in 1999, Wuxi Guangqiang Bearing Trade Co.,Ltd works hard in researching and manufacturing high quality bearings and rely on it's advantages of strong technologies, advanced equipment, professional technical team, quality production and reasonable prices has gain a broad...
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