Wuxi Guangqiang Bearing Trade Co.,Ltd
| Material | GCr15 Chrome Bearing Steel |
| Certifiion | ISO9001:2015 |
| Supply Ability | 100000 Sets per month |
| Inner diameter（d） | 17mm |
| Type | Needle Roller Bearing |
| Delivery Time | 3-5 working days |
| Bearing Model | NA4903 |
| Payment Terms | T/T |
| Packaging Details | in individual packing box |
| Width（B） | 13mm |
| Outer diameter（D） | 30mm |
| Model Number | NA4903 |
| Brand Name | GQZ /OEM |
| Certification | ISO9001:2015 |
| Place of Origin | China |
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Product Specification
| Material | GCr15 Chrome Bearing Steel | Certifiion | ISO9001:2015 |
| Supply Ability | 100000 Sets per month | Inner diameter（d） | 17mm |
| Type | Needle Roller Bearing | Delivery Time | 3-5 working days |
| Bearing Model | NA4903 | Payment Terms | T/T |
| Packaging Details | in individual packing box | Width（B） | 13mm |
| Outer diameter（D） | 30mm | Model Number | NA4903 |
| Brand Name | GQZ /OEM | Certification | ISO9001:2015 |
| Place of Origin | China | ||
| High Light | Needle roller bearing 17x30x13mm ，Needle roller bearing with inner ring ，Compact space machinery bearing | ||
*Need a quick quote? Just send us your bearing model & quantity — we’ll get back to you fast.
| Parameter | Specification |
|---|---|
| Model | NA4903 |
| Bearing Type | Machined Ring Needle Roller Bearing with Inner Ring |
| Inner Diameter d | 17 mm |
| Outside Diameter D | 30 mm |
| Width B | 13 mm |
| Basic Dimensions | 173013mm |
| Seal Type | Open |
| Cage | Steel Stamped Cage |
| Material | GCr15 Chrome Bearing Steel |
| Basic Dynamic Load Cr | 19.8 kN |
| Basic Static Load C0r | 27.5 kN |
| Limiting Speed(Grease) | 7200 rpm |
| Precision Rating | P0 |
| Weight | 0.042 kg |
*Ready stock. Short lead time. Fast delivery. Send us your bearing list and let’s get started!
Q: Does NA4903 include inner ring?
A: Yes, NA4903 comes with solid inner ring, different from RNA series.
Q: Is it sealed bearing?
A: Open type without seals, regular lubrication required.
Q: What is the advantage of needle roller bearing?
A: It carries heavy radial load while occupies minimal radial space.
Q: Can inner ring be removed?
A: Yes, the inner ring is separable.
*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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