Wuxi Guangqiang Bearing Trade Co.,Ltd
| Bearing Model | 7312B |
| Certifiion | ISO9001:2015 |
| Supply Ability | 100000 Sets per month |
| Material | GCr15 Chrome Bearing Steel |
| Seal type | OPEN |
| Width（B） | 31mm |
| Delivery Time | 3-5 working days |
| Inner diameter（d） | 60mm |
| Outer diameter（D） | 130mm |
| Payment Terms | T/T |
| Packaging Details | in individual packing box |
| Number of row | Single Row |
| Model Number | 7312B |
| Brand Name | GQZ /OEM |
| Place of Origin | China |
| Certification | ISO9001:2015 |
View Detail Information
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Product Specification
| Bearing Model | 7312B | Certifiion | ISO9001:2015 |
| Supply Ability | 100000 Sets per month | Material | GCr15 Chrome Bearing Steel |
| Seal type | OPEN | Width（B） | 31mm |
| Delivery Time | 3-5 working days | Inner diameter（d） | 60mm |
| Outer diameter（D） | 130mm | Payment Terms | T/T |
| Packaging Details | in individual packing box | Number of row | Single Row |
| Model Number | 7312B | Brand Name | GQZ /OEM |
| Place of Origin | China | Certification | ISO9001:2015 |
| High Light | 7312B angular contact ball bearing 60x130x31mm ，single row angular contact bearing for machinery ，60x130x31mm angular contact ball bearing | ||
*Need a quick quote? Just send us your bearing model & quantity — we’ll get back to you fast.
| Item | Specification |
|---|---|
| Bearing Model | 7312B |
| Bearing Type | Angular Contact Ball Bearing |
| Bore(d) | 60 mm |
| Outer Diameter(D) | 130 mm |
| Width(B) | 31 mm |
| Contact Angle | 40° |
| Basic Dynamic Load(Cr) | 90000 N |
| Basic Static Load(C0r) | 65500 N |
| Limiting Speed Grease | 4300 r/min |
| Limiting Speed Oil | 5600 r/min |
| Weight | 1.78 kg |
| Seal Type | Open Unsealed |
| Cage Material | Steel Cage |
| Material | GCr15 Bearing Steel |
| Tolerance Class | P0 |
| Min Shaft Fillet(r) | 2.1 mm |
*Ready stock. Short lead time. Fast delivery.Send us your bearing list and let’s get started!
Q1: What does B stand for in 7312B?
A1: B means 40° contact angle for higher axial load capacity.
Q2: Can single 7312B bear bidirectional axial load?
A2: No, it only supports one‑direction axial load, use paired mounting for two‑way thrust.
Q3: Is 7312B pre‑lubricated?
A3: Open type without grease filling, manual lubrication required.
Q4: Can 7312B work at high speed?
A4: Yes, it fits medium‑high speed scenarios with proper lubrication.
*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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