Model Number: XYB-3.969mm--4.763mm Brand Name: XYB Key Specifications/Special Features: Size: 3.969mmPrecision: G10-G1000AISI52100, GCr15, chrome steel balls, bearing ballsUses:1. Used in ball roller bearing industry and automobile application2. Excellent surface quality3. Offer superior wear-resistance4. High hardness, high load bearing capacity and through-harden through-hardening

As well as the raw material analysis certificate, each batch of balls can also be accompanied by a report attesting conformity to ISO 3290, DIN 5401 or ANSI/ABMA standards
On request, further documentation can also be provided, such as test reports for the various parameters checked (roughness, roundness, hardness), process evaluation (CP and CPK or PP and PPK) and initial sampling documentation

Products name: chrome steel ball/AISI52100 balls/bearing balls

All characteristics of precision, hardness, material, are tested during production and end of the manufacturing process, to ensure and guarantee the best possible quality

Each batch of balls is checked using sophisticated machines that perform tests on each balls surface condition and integrity, with defective balls being rejected

When requested, specialist personnel can also perform 100% visual tests