SL184988 Bearing Technical Specifications
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- Bore Diameter(d) 440mm
- Outer Diameter (D) 540mm
- Width(B) 100mm
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- Dynamic Load Rating (Cr) 1400kN
- Static Load Rating (Cor) 4150kN
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- Weight 52kg
SL18 Series Double Row Full Complement Cylindrical Roller Bearing (SL18 4988) - Structure: Double row full complement cylindrical roller bearing with center rib guiding cage - Size Code: 4988 - Key Dimensions: Bore 440mm | Outer Diameter 540mm | Width 100mm - Load Capacity: Dynamic Load 1 400 000kN | Static Load 4 150 000kN - Application: Balances radial and axial loads, suitable for machine tool spindles and precision transmission systems, especially suitable for heavy-duty machinery (e.g., rolling mills, mining crushers) The manufacturer offers a Standard 12-month warranty extendable up to 18 months through authorized Jinyu distributors. OEM solutions available.
Main Dimensions
440mm × 540mm × 100mm
| Bearing Model | SL184988 | |
|---|---|---|
| Cross Reference | NNCL4888V | |
| Dimensions | d | 440mm |
| D | 540mm | |
| B | 100mm | |
| rs | 2.1mm | |
| s | 7mm | |
| C | ||
| Install Dimensions | d1 | 480mm |
| D1 | ||
| E | 514.6mm | |
| Basic Load Rating | Cr | 1400Kn |
| Cor | 4150Kn | |
| Limiting speed n1 oil ≈ | Min-1 | 450r/min |
| Weight | 52Kg | |
Cage
full complement rollers without cage ( customizable on demand in steel, brass, machined brass, etc.)
Precision Rating
P0 (Customizable on demand in P0/P6/P5/P4 grades; higher precision for demanding applications)
Clearance
C3 clearance (customizable on demand in C0/C2/C3/C4/C5 specifications)
Brand
WJY / OEM Available
Origin
Quality Standard
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
Bearings prices vary by precision grade, raw material quality, and market dynamics. For customized quotes, please submit an inquiry via our contact form.