What is the outer dimension of bearing 30256?

The outer dimension (D) is 500mm, with an inner diameter (d) of 280mm and width (T) of 89mm.

What quality management system does the company follow?

The company adheres to the ISO9001 quality management system to ensure product precision and performance stability.

Tapered Roller Bearings 30256 P4 Auto Bearing

Name: Tapered Roller Bearings 30256 P4 Auto Bearing
Brand: Luoyang Auto Bearing Co., Ltd.
SKU: 934078955

Henan, ChinaLuoyang Auto Bearing Co., Ltd.

US$1.00

10 Pieces

Sample price:US$0.10/piece.Request sample

Product profile

Customization

Available

Rolling Body

Roller Bearings

The Number of Rows

Single

Model NO.

30256

Outer Dimension

Extra Large (440mm)

Material

Bearing Steel

Spherical

Non-Aligning Bearings

Load Direction

Radial Bearing

Separated

Unseparated

Packaging

White Box

Hardness

58-62

Brand

Auto

Precision

Transport Package

Carton

Specification

Depends on quantity

Trademark

AUTO

Origin

China

HS Code

8482103000

Production Capacity

150000/Day

Key features

High Load Capacity: Supports heavier radial-axial combined loads with higher limit rotational speeds.

Precision Grade P4: Manufactured to P4 precision standards for high reliability and performance.

Wide Application: Suitable for automobiles, rolling mills, mining, metallurgy, and plastic machinery.

Easy Installation: Axial clearance does not need adjustment; easy to mount with separate inner/outer rings.

ISO9001 Certified: Strictly follows ISO9001 quality management system for product stability.

Custom Packaging: Packaging options available including plastic box, carton, pallet, or tube package.

Fast Delivery: Most orders shipped within 3-5 days after payment; samples via FedEx/UPS/DHL.

Professional Manufacturer: Integrated R&D and marketing with advanced equipment and testing instruments.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceExhibition Experience

Luoyang Auto Bearing Co., Ltd.

Henan, China

Business Type: Manufacturer/FactoryAverage Response Time: ≤2.44h

AI-Powered supplier vetting

SummaryLuoyang Auto Bearing Co., Ltd. is identified as a China-based limited company and manufacturer/factory offering ball, roller, and super-precision bearings. The supplier reports multiple management-system certifications, customization services, OEM experience with popular brands, and technical support covering customer requirements, production, after-sales service, and new product development. However, no R&D design documentation was available for audit, no SDK is available, and supplier-service assessment procedures and corrective-action records are incomplete. The available evidence supports product and customization capability, while financial credibility and customer-case breadth remain insufficiently documented. Overseas service infrastructure is limited, with no overseas warehouse, showroom, agent, or branch reported.

CertificationsThe supplier reports ISO 9000, TS 16949, ISO 14001, and ISO 9001 certifications. These stated certifications provide explicit evidence of formal quality and environmental management-system coverage.

Production capacityThe supplier is identified as a bearing manufacturer/factory offering ball, roller, and super-precision bearings, and a specific stainless-steel turntable bearing is described as produced by Luoyang Auto Bearing for a canning-machine application. Its stated zero-defect quality philosophy and relevant management-system certifications support production capability, although detailed capacity data is not provided.

Customization capabilityThe supplier explicitly offers customization from samples, designs, full customization, flexible customization, and minor customization. It also reports OEM service for popular brands, providing direct evidence of broad customization and OEM capability.

Client casesThe supplier reports OEM service for popular brands and one associated buyer, CÔNG TY CỔ PHẦN TẬP ĐOÀN HƯƠNG SEN. A product is also specified for use in a Krones canning machine, and the supplier has participated in the Vietnam VIIF International Industrial Expo; however, the available evidence provides only limited customer-case detail.