How do you ensure product quality?

We use high-precision inspection equipment, QA engineers for strict control, and 100% automatic sorting machines for diameter and length.

What is the lead time for orders?

Peak season lead time is 1-3 months, while off-season lead time is one month.

What are the main applications for these rollers?

They are suitable for roller and needle bearings, hydraulic motors, and engines.

V Series Guide Cross Rollers 4X3.9mm 98.9mm 5X4.9mm 65.9mm

Name: V Series Guide Cross Rollers 4X3.9mm 9*8.9mm 5X4.9mm 6*5.9mm
Brand: Jiangsu Wallong-Hsin Machinery Engineering Corporation Ltd.
SKU: 1962351692

Jiangsu, ChinaJiangsu Wallong-Hsin Machinery Engineering Corporation Ltd.

V Series Guide Cross Rollers 4X3.9mm 9*8.9mm 5X4.9mm 6*5.9mm

US$0.01-10.00

500 Pieces

Product profile

Customization

Available

Certification

CE, ISO

Standard Parts

Yes

Model NO.

4x3.9mm, 5x4.9mm, 6*5.9mm, 9*8.9mm

Universal

Yes

Type

Bearing Roller

Material

Chrome Steel

Industry Application

Roller and Needle Bearing, Hydraulic Motor, Engine

Customized Type

Crown Profile, Logarithmic Curve

Standard Type

Cylindrical, Nrb, NRA, Tr, Taper, Spherical

Advantages

Long Service Life, Heavy Load, High Strength

Transport Package

Plastic Bag+Carton Box+ Plywood Case

Specification

Accoridng to product size

Trademark

Accoridng to product specification

Origin

China

HS Code

8482910000

Production Capacity

100, 000, 000 PCS/Year

Key features

Wide Material Selection: Available in Chrome Steel (100Cr6) and Stainless Steel (SUS420J2, AISI304, etc.)

Customizable End Shapes: Offers ZB, NRA, NRB, TR, relieved, cut, grinded, and variant-curvature ends

High Precision Grades: Rollers in G1, G2, G3 grades; needles and pins in G2, G3, G5 grades

Extensive Size Range: Diameter from 1.25mm to 100mm; Length from 3mm to 100mm

100% Automatic Sorting: All rollers sorted by diameter and length using automatic sorting machines

Comprehensive Certifications: ISO 9001, ISO 14001, ISO 18001, ISO 5001, and AEO certified

Long Service Life: Designed for heavy load and high strength applications with durability

Company profile

Jiangsu Wallong-Hsin Machinery Engineering Corporation Ltd.

Jiangsu, China

Business Type: Manufacturer/Factory, Trading CompanyAverage Response Time: ≤7.88h

AI-Powered supplier vetting

SummaryJiangsu Wallong-Hsin Machinery Engineering Corporation Ltd. is a China-based limited company established in 1994, operating across technology and service, engineering contracting, material testing, agricultural machinery, bearings, rolling elements, and related products. It reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 certifications, six production lines, and 21–30 quality-control staff. The supplier has 30 employees, exports 90% of sales, holds self-operated import/export rights, and serves markets across Asia, Europe, Africa, the Americas, Australia, and domestic China. Stated fulfillment lead times are one month off-season and two to three months during peak season. Evidence supports established operations, certification, international market experience, and production resources. However, the available information does not sufficiently establish after-sales service, innovation strength, customization capability, or broad customer references. One buyer, ZEN S A INDUSTRIA METALURGICA, is...

Supplier typeThe supplier is a Chinese limited company and a combined business entity focused on technology and service, engineering contracting, material testing, agricultural machinery, bearings, rolling elements, and OEM-related products. Its stated product and service scope indicates a manufacturer and engineering/service provider rather than a narrowly specialized trading company.

CertificationsThe supplier explicitly reports ISO9001:2015, ISO14001:2015, and ISO45001:2016 certificates, along with other unspecified certifications. These cover quality, environmental, and occupational health and safety management systems.

Production capacityThe supplier reports six production lines, 21–30 quality-control staff, one-month off-peak lead times, and two-to-three-month peak-season fulfillment times. These explicit operating and quality resources support production capability, although no product-specific capacity or output volume is provided.

Client casesA trade-related listing associates the supplier with buyer ZEN S A INDUSTRIA METALURGICA and a steel roller product for automotive starter-motor components; the record also identifies Brazil as an import country. This is a concrete customer-related reference, but only one buyer is provided and the transaction scope or performance cannot be verified from the slices.

Product Q&A

Q:What materials are available for the steel rollers?

We supply chrome steel (100Cr6 & 100CrMn6) and various stainless steels including SUS420J2, AISI304, AISI304L, AISI316, AISI316L, AISI440C, and AISI430.

Q:Can the end shapes of the rollers be customized?

Yes, we offer ZB shape (logarithmic curve), NRA (round end), NRB (flat end), TR, relieved end, cut end, grinded end, and variant-curvature to meet customer requirements.

Q:What are the available diameter and length ranges?

The production range covers diameters from 1.25mm to 100mm and lengths from 3mm to 100mm.

Q:What precision grades do you offer for rollers and pins?

We provide cylindrical and spherical/taper rollers in grades G1, G2, and G3, and needles and pins in grades G2, G3, and G5.

Q:What certifications does the company hold?

JSW is certified with ISO 9001, ISO 14001, ISO 18001, ISO 5001, and AEO.