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Bearings Thrust Roller Bearings Cylindrical Roller Bearing Nu311 with High Quality
US$1.50-12.00
1 Piece
Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Rolling Body

Roller Bearings, Roller Bearings

The Number of Rows

Single, Double

Model NO.

NU311

Outer Dimension

Small and Medium-Sized (60-115mm)

Material

Bearing Steel

Spherical

Non-Aligning Bearings

Load Direction

Axial Bearing

Separated

Separated

Outer Dimension

Extra Large (440mm)

Material

Bearing Steel

Spherical

Non-Aligning Bearings

Load Direction

Radial Bearing

Separated

Separated

Vibration Level

V4, V3, V2, V1

Radial Play

C0, C2, C3, C4

Holder

Steel and Brass

Precision

P0, P6, P5, P4, P2

Sample

According to Customer's Needs

Stock

Rich

Load Port

Qingdao China

Transport Package

Carton + Wooden Box Package

Specification

40mm-500mm

Trademark

R&Z or customzied

Origin

Shandong China

HS Code

848220

Production Capacity

100000/Year

Key features

High Precision & Stability: Features high precision and stable quality with materials like 52100 Bearing Steel, GCr15, Plastic, Ceramic, and Stainless steel.
Low Noise & Durability: Offers low noise, corrosion resistance, rust resistance, and long service life through ground, heat treated, and polished tech.
Wide Application Scope: Suitable for jaw crushers, cone crushers, large motors, machine tool spindles, engines, generators, and rolling mills.
Customizable Options: Accepts customized logos, drawings, brands, and packaging designs according to customer requirements.
Flexible MOQ Policy: MOQ is 10 pcs for mixed standard bearings and 2000 pcs for customized brand bearings.
Fast Lead Time: Average lead time is within 15 workdays for both peak and off-season periods.
Multiple Bearing Types: Provides NU, NJ, NUP, NNCF, N, RN, and NN types with various flange designs for different axial displacement needs.
Secure Packaging: Offers industrial package, single box, tube package with outer carton and pallets, or custom packaging solutions.

Company profile

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2016-11-22Nearest Port: Qingdao, Shanghai, NingboAverage Response Time: ≤2.15hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW, CFR, CIF

AI-Powered supplier vetting

SummaryJinan RuiZhuo Machinery Technology Co., Ltd. is a China-based limited trading company and manufacturer/factory located in Jinan, Shandong. It supplies a broad range of bearings, including deep groove, tapered, cylindrical, spherical, angular contact, thrust, pillow block, needle, and self-aligning bearings. The supplier reports an R&Z brand established in 2007, ISO 9000 certification, seven production lines, 31–40 quality-control staff, and 11–20 years of staff and R&D-engineer experience. It states that standard and customized OEM/ODM orders are supported, with industrial, tube, carton, and veneer-case packaging options. Export activity is substantial, with exports reported across multiple global regions and orders reportedly fulfilled within 15 working days in both peak and off-peak periods. However, the provided information does not substantiate after-sales procedures, customer case details, or financial credibility.
Supplier typeThe supplier is identified as both a trading company and manufacturer/factory, with a limited-company structure and a stated modern factory specializing in bearings. This indicates a hybrid sourcing and manufacturing profile rather than a purely intermediary role.
CertificationsThe supplier reports certification under ISO 9000. This provides explicit evidence of a quality-management certification, although no additional certification scope or certificate details are supplied.
R&D capabilityThe supplier reports 11–20 years of R&D-engineer experience, an advanced management system, automatic bearing production lines, and capability for OEM/ODM projects. These details support some technical-development capacity, but no specific proprietary technology, patents, or documented innovation outcomes are provided.
Production capacityThe supplier states that it operates seven production lines, has 31–40 quality-control staff, maintains complete testing capabilities, and produces multiple bearing series. It also reports order fulfillment within 15 working days during both peak and off-peak periods, providing explicit evidence of established production and quality-control capacity.
Customization capabilityThe supplier explicitly welcomes OEM and ODM projects and states that customization is available according to customer needs. It also offers multiple packaging formats, including industrial, tube, carton, and veneer-case packaging, indicating customization extends at least to packaging and project requirements.

Product Q&A

Q:What materials are used for the bearings?
A:
We use 52100 Bearing Steel, GCr15, Plastic, Ceramic, and Stainless steel to ensure high precision and stable quality.
Q:Can I get free samples?
A:
Sample availability and cost depend on the model, material, and quantity. Some samples require the client to pay for samples and shipping.
Q:What is the minimum order quantity (MOQ)?
A:
The MOQ is 10 pcs for mixed standard bearings and 2000 pcs for customized brand bearings.
Q:Do you offer OEM services?
A:
Yes, we can print our brand or your own brand (logo, artwork) on the shield and customize packaging according to your design.
Q:What is the lead time for production?
A:
The average lead time is within 15 workdays for both peak season and off-season periods.

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