What lubrication options are available?

The bearings can be lubricated with either grease or oil.

Can you provide CAD drawings?

Yes, detailed CAD drawings and dimensional diagrams are available for download or upon inquiry.

Nk Series Needle Roller Bearing for Hydraulic System

Name: Long-Life Rna/Bk/Nk Series Needle Roller Bearing for Hydraulic System
Brand: Shandong Wanshifa Bearing Co. Ltd.
SKU: 2145882672

Shandong, ChinaShandong Wanshifa Bearing Co. Ltd.

US$0.10-3.90

100 Sets

Sample price:US$20.00/set.Request sample

Product profile

Customization

Available

Load Direction

Radial Bearing

Style

With Outer Ring

Model NO.

Material

Bearing Steel

Type

Open

Feature

Long Service Life, Compact Radial Cross-Section, H

Applicable

Hydraulic System, Hydraulic Power Equipment, Compa

Customerized

Customizable

Sample

Available

Service

OEM ODM

Lubrication

Grease or Oil

Transport Package

Carton Pallet

Trademark

IKO

Origin

Japan

HS Code

8482300000

Production Capacity

500000

Key features

Long Life & High Speed: Features slender rollers for high load capacity and durability in harsh environments.

Precision Heat Treatment: Made of high-quality alloy steel ensuring excellent wear resistance and rust prevention.

Multiple Series Options: Includes HK, BK, RNA, and TAF series tailored for specific mechanical needs.

Inner Ring-Free Design: RNA and TAF series use shaft as raceway to reduce weight and equipment cost.

ISO Standard Compliance: All parts undergo 100% inspection including crack detection and geometry size checks.

OEM and Customization: Accepts OEM orders and custom designs based on customer samples or drawings.

Versatile Applications: Suitable for auto transmissions, industrial machinery, agriculture, and construction.

Flexible Delivery Options: Express shipping for small orders, sea freight for bulk, with 5-20 day lead times.

Company profile

Fast DeliveryMinor CustomizationQuality AssuranceR&D Capabilities

Shandong Wanshifa Bearing Co. Ltd.

Shandong, China

Business Type: Trading Company CertifiedCustomization Options: Minor Customization CertifiedExport Year: 1 year CertifiedNearest Port: Qingdao PortAverage Response Time: ≤1.46h CertifiedTerms of Payment: LC, T/T, D/P, etc.

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company whose stated scope includes bearing sales and manufacturing. It presents claims of high-end bearing development, R&D investment, automated production, full-process quality control, clean workshops, heat treatment, testing, and ISO9001, DIN, and ABMA-related certifications. However, several operational controls are undocumented: no written procedures or records for supplier assessment, corrective and preventive actions, or complaint handling; no raw-material traceability; no inventory, overseas warehouse, overseas showroom, overseas agent or branch capability; and no offline trade-show participation. The supplier states service terms and lead times within 15 workdays, but financial information reports zero revenue, costs, profits, cash flows, and current ratio for the stated periods, which does not establish financial strength. Customization is mentioned, while specific customization capacity is not demonstrated. Export activity to over 50 countries is...

Supplier typeThe supplier is explicitly classified as a Trading Company. Its stated business scope covers bearing sales, sales of specialized bearings and transmission components, and bearing manufacturing, indicating a trading-led business with manufacturing included in its registered scope.

CertificationsThe supplier states that professional testing and certifications including ISO9001, DIN, and ABMA confirm its quality control. This is explicit evidence of claimed certification-related credentials, although the slices do not provide certificate numbers, validity dates, or issuing-body verification.

After-Sales capabilityThe company description states that it provides after-sales services through a multilingual team and logistics partners. However, no written complaint-handling procedures or records are reported, so the existence of a service offering is supported while the effectiveness and formal management of after-sales support remain weakly documented.

Financial creditThe reported financial indicators show zero operating revenue, costs, profits, cash received, cash inflows, cash outflows, and current ratio for the stated periods. These figures do not demonstrate financial strength or operating scale, although the slices do not explain whether the zeros reflect unavailable, incomplete, or actual financial data.

R&D capabilityThe supplier explicitly describes technological innovation as a core focus, increased R&D investment, and a professional team developing high-performance bearings. These statements support an innovation commitment, but no quantitative R&D results, patents, or specific developed products are provided.

Production capacityThe supplier claims manufacturing in its business scope and describes clean workshops, advanced automatic production equipment, heat treatment, professional testing, and full-process quality control. Nevertheless, it reports no in-stock capacity and lacks raw-material traceability, while outsourcing procedures and manufacturing-capacity contracts are unknown; production capability is therefore supported by stated facilities and processes but has important control gaps.

Customization capabilityThe company states that it provides customization services and links its offering to professional teams, R&D investment, and high-end bearing development. The slices do not specify customization equipment, engineering workflow, minimum quantities, or examples of customized products, so the capability is claimed but only partially evidenced.

Product Q&A

Q:How do you control quality?

All bearing parts before production and during the process undergo strict 100% inspection, including crack detection, roundness, hardness, roughness, and geometry size, meeting ISO international standards.

Q:What materials are used for the bearings?

We offer chrome steel GCR15, stainless steel, ceramics, and other materials.

Q:How long is the delivery time?

If goods are in stock, delivery takes 5 to 10 days. If out of stock, it takes 15 to 20 days depending on the quantity.

Q:Do you accept OEM and custom orders?

Yes, we accept OEM and can customize products according to samples or drawings.

Q:What are the main differences between the series?

HK and BK series are unidirectional thrust bearings for small components. RNA and TAF series are inner ring-free, using the shaft as a raceway to save weight and cost.