What are your main markets?

We export to North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Middle East, Eastern Asia, and Western Europe.

What payment methods do you accept?

We accept LC, T/T, PayPal, Western Union, and small-amount payments.

What are your lead times during peak and off-peak seasons?

Both peak and off-peak season lead times are within 15 workdays.

Excavator

Name: Customized Slewing Bearing Swing Ring Slewing for Crane/ Drilling Rig/ Excavator
Brand: Shandong Bolin Machinery Co., Ltd.
SKU: 1931633902

Shandong, ChinaShandong Bolin Machinery Co., Ltd.

US$600.00

1 Piece

Sample price:US$2000.00/piece.Request sample

Product profile

Customization

Available

Standard or Nonstandard

Standard

Feature

High Speed, Antimagnetic, Cold-Resistant, Corrosion-Resistant, Heat-Resistant

Model NO.

Customized

Sealing Gland

Sealed On Both Sides

Rolling-Element Number

Double-Row

Roller Type

Deep Groove Raceway

Material

42CrMo/50mn

Type

External Gear

Warranty

1 Year

Transport Package

Wooden Case

Specification

Slewing Ring

Trademark

BOLIN or Customized

Origin

China

HS Code

8482800000

Production Capacity

10000PCS/Month

Key features

Wide Application Range: Suitable for excavators, cranes, drilling rigs, and electrical fans.

Multiple Gear Options: Available in external gear, internal gear, or without gear configurations.

High Performance Features: Features high speed, antimagnetic, cold-resistant, corrosion-resistant, and heat-resistant properties.

Durable Material: Constructed from 42CrMo or 50mn materials for long-lasting performance.

OEM and ODM Services: Customization services available to meet specific client requirements.

Comprehensive Sealing: Sealed on both sides to ensure durability and protection.

Fast Worldwide Delivery: Delivery time within 7-15 business days to global destinations.

Professional Packaging: Protected with rust-proof oil, protective layers, and fixed in wooden boxes.

Company profile

Importers and Exporters

Shandong Bolin Machinery Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2021-11-01Nearest Port: Qingdao, Shanghai, Xiamen, TianjinAverage Response Time: ≤2.48hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryShandong Bolin Machinery Co., Ltd. is identified as a Chinese manufacturer/factory based in Linyi, Shandong, producing crawler undercarriage assemblies, tracks, and related machinery parts. It reports five production lines, 6–10 R&D engineers, 6–10 quality-control staff, broad export coverage, and 90% of total sales from exports. The supplier states that it provides OEM services and controls design, raw-material selection, production monitoring, inspection, packing, and loading. It also lists multiple management-system certifications, although the provided information does not verify their validity or scope. An SGS audit is recorded for October 19, 2023 to October 18, 2024, with an evaluation result of 0; the meaning of this result is not defined in the available data. Overseas service facilities, detailed innovation performance, traceability, and after-sales capabilities remain unknown.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory, with the legal name Shandong Bolin Machinery Co., Ltd. and operations in Linyi, Shandong, China. This directly establishes its manufacturing identity rather than a trading-only profile.

CertificationsThe supplier lists BSCI, OHSAS/OHSMS 18001, TS 16949, ISO 9000, ISO 14001, ISO 9001, ISO 14000, ISO 20000, ISO 14064, HSE, and QC 080000, and an SGS audit is recorded. However, the provided slices do not confirm certificate validity, scope, or the interpretation of the audit result, so the certification evidence is positive but not fully verifiable.

R&D capabilityThe supplier states that it self-designs and manufactures crawler undercarriage assemblies and provides OEM services, indicating some design and development capability. Nevertheless, R&D supplier type, 3D design, new-product activity, ODM, SDK, and last-year new-product data are unknown, and raw-material traceability is also unconfirmed.

Production capacityThe supplier reports five production lines, 6–10 quality-control staff, and production of crawler undercarriage assemblies for equipment from 0.5 to 120 tons, with products exported to numerous global regions. Its stated process covers design, material selection, production monitoring, final inspection, packing, and loading, supporting a substantial manufacturing capability.

Customization capabilityBolin explicitly states that OEM service is supplied according to customer requirements and that its crawler assemblies can be designed and manufactured for different equipment applications. The described process includes customer-demand matching from design through final inspection and shipment, which supports customization capability.

Client casesThe supplier identifies replacement or compatible products for brands including CAT, Komatsu, Hitachi, Kobelco, Volvo, Case IH, JCB, Hyundai, Doosan, Shantui, Kubota, John Deere, and Liebherr, and describes applications in drilling rigs, pile drivers, excavators, cranes, dumpers, agricultural machines, and crushers. These are stated product or application references, but no named customer contracts, delivery records, or independently verified case studies are provided.

Product Q&A

Q:Are you a trading company or manufacturer?

We are a manufacturer.

Q:Do you provide samples? Is it free or extra?

Yes, we can offer samples for free, but the customer must pay the freight cost.

Q:How long is your delivery time and what are your payment terms?

Generally, it is 30 days, varying by product and customization level. For standard products, payment is 30% T/T in advance and balance before shipment.

Q:What is the exact MOQ or price for your product?

As an OEM company, MOQ and price vary based on size, material, and specifications. Please contact us with details for an accurate quotation.

Q:What are your main products?

Our main products include track undercarriage parts, crawler track assemblies, drilling rigs, agriculture rubber tracks, paver rubber tracks, and various excavator and bulldozer parts.