How durable is the brake mechanism?

The locking device passes a 5000-time fatigue test for brake applications.

What is the warranty or quality guarantee?

The product undergoes rigorous EN12532 testing to ensure no abrasive wear after extensive use.

What are the payment terms?

Payment terms include LC and T/T.

4inch Black Rubber Industrial Swivel Caster Roller Bearing

Name: 4inch Black Rubber Industrial Swivel Caster Roller Bearing
Brand: Hubei Space Double Rhombus Logistics Technology Co., Ltd.
SKU: 2024702142

Hubei, ChinaHubei Space Double Rhombus Logistics Technology Co., Ltd.

US$2.53

1,000-4,999 Pieces

US$2.19

5,000+ Pieces

Sample price:US$6.00/piece.Request sample

Product profile

Customization

Available

Type

Rotating Wheel

Wheel Material

Rubber

Model NO.

P102-11DA100X30

Brake

Without Brake

Bearing Type

Roller Bearing

Surface Treatment

Zinc Plated

Brand

Double Rhombus

Maximum Load

70kgs

Specification

4inch

Diameter

100mm

Thickness

30mm

Color

Black

Bearing

Roller Bearing

Load Capacity

60-260kg

Wheel Dia

75-250

Transport Package

Carton or Pallet, Wooden Box

Specification

Rubber

Trademark

Double Rhombus

Origin

China

HS Code

87169000

Production Capacity

100000pieces/Year

Key features

High Load Capacity: Supports up to 70kg with a broader range of 60-260kg available for other models.

Durable Rubber Wheel: Soft rubber tire offers better elasticity and user experience.

Rigorous Quality Testing: Passes EN12532 walking test (3.534km) and 5000 brake fatigue cycles.

Customizable Options: Color, bearing type, load capacity, and wheel diameter can be customized.

Versatile Configurations: Available in rigid, swivel, brake, and various fork thicknesses.

ISO 9001 Certified: Manufacturer holds ISO 9001, GS, VPA, SGS, REACH, ROHS, and PAHS certificates.

Long Service Life: Thickened pressed steel housing ensures durability and long-term performance.

Established Manufacturer: Company founded in 1978 with 40 years of industry experience.

Company profile

Hubei Space Double Rhombus Logistics Technology Co., Ltd.

Hubei, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2000-08-01Nearest Port: Wuhan, ShanghaiAverage Response Time: ≤10.10hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CIF

AI-Powered supplier vetting

SummaryThe supplier is identified as Hubei Space Double Rhombus Logistics Technology Co., Ltd., a China-based manufacturer/factory and group corporation producing casters, trolleys, hand trucks, airport equipment, mobility aids, and related products. It reports multiple management-system certifications, including ISO 9001, ISO 14001, OHSAS/OHSMS 18001, BSCI, and ISO 9000. Its stated operations include more than 10 production lines, 11–20 quality-control staff, and 11–20 years of R&D-engineer experience. The company reports substantial output across casters, trolleys, and foldable hand trucks and began exporting in 2000, with exports representing 71%–90% of total sales. Evidence supports manufacturing scale, certification coverage, export experience, and R&D presence. However, the provided information does not sufficiently establish after-sales service, financial credibility, customization capability, or detailed customer cases.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and Group Corporation. Its stated product scope and description identify it as a large-scale professional manufacturer of casters, airport trolleys, handcarts, airport equipment, and mobility-related products.

CertificationsThe supplier reports BSCI, ISO 9000, OHSAS/OHSMS 18001, ISO 14001, and ISO 9001 certification. It also states that ISO 9001 certification was obtained in 1996 and ISO 9001:2000 quality-system certification was completed in 2003, providing explicit evidence of broad management-system certification coverage.

R&D capabilityThe supplier reports 11–20 years of total R&D-engineer experience and describes integrated research, development, and manufacturing. Its stated capabilities include mold making, curved cutting, punching, welding, surface plating, assembly, and capability testing, which supports an established technical-development function.

Production capacityThe supplier reports more than 10 production lines, 11–20 quality-control staff, and mature production lines covering mold making, cutting, punching, welding, plating, assembly, and testing. It also reports output of 60,000 trolleys, 360,000 foldable hand trucks, and 6,000,000 caster pieces, indicating substantial stated production capacity.