NU3188 Bearing Technical Specifications
- Dimensions
-
- Bore Diameter(d) 440 mm
- Outer Diameter (D) 720 mm
- Width(B) 226 mm
- Basic Load Rating
-
- Dynamic Load Rating (Cr) 5230 kN
- Static Load Rating (Cor) 9800 kN
-
- Weight 374 kg
- Main Dimensions
- 440mm × 720mm × 226mm
| ID | 440 mm | Inside diameter(I.D.) |
|---|---|---|
| OD | 720 mm | Outside diameter(O.D.) |
| B | 226 mm | Width |
| Cr | 5230 kN | Radial dynamic load rating |
| Cor | 9800 kN | Radial static load rating |
| Mass | 374 Kg | Weight |
- Brand
- WJY / OEM Available
- Origin
- Wafangdian, China (Global bearing manufacturing hub with 30+ years expertise)
- Precision Rating
- P0 (Standard) / P6 / P5 / P4 (Higher precision for demanding applications)
- Cage
- The default cage is stamped steel; Steel, Brass, and Machined Brass cages are optional, with other types not enumerated here.
- Material
-
- GCr15 Bearing Steel (Industry-standard for high load & fatigue resistance)
- GCr15SiMn
- GCr18Mo
- G20Cr2Ni4A
- Clearance
- C3 (standard), customizable to C0/C2/C4/C5
- Quality Standard
- ISO 9001:2015 Certified
NU Series Single Row Cylindrical Roller Bearing NU3188. Featuring double outer rings with double ribs, inner ring without ribs, it supports 5230 kN dynamic and 9800 kN static loads. Machinery requiring frequent maintenance (e.g., pumps, compressors), suitable for medium-sized industrial equipment such as motors, fans, and pumps The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.
Delivery Time
- For in-stock own-brand bearings, Dalian JinYu HuaYang guarantees shipment arrangement within 3–5 days after payment confirmation.
- For OEM/ODM orders, the production and delivery lead time for a full container typically ranges from 20–35 days (depending on order complexity).
Shipping Methods
Ocean Freight/Land Transport
Warranty
We provide 12-month warranty, extendable to 18 months via authorized JinYu distributors.
Pricing Information
Bearing prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.