ADP Sleeve | Precision Bearing Adapter Sleeves & Lock Nuts Manufacturer

About Ningbo Eurotec Precision Industry Co., Ltd.

Founded in 2007 as a foreign direct investment (FDI) company with Taiwanese ownership, Ningbo Eurotec Precision Industry Co., Ltd. specializes in the manufacturing of high-precision bearing accessories under the brand name ADP.

Our mission is to deliver exceptional value with every product. We focus on precision engineering, especially in roundness, run-out, and taper deviation—areas where even ISO standards lack defined criteria.

Why Choose ADP?

Full range of precision measuring equipment
Sine bar for taper precision measurement
ISO-compliant dimensional accuracy
Global distribution network

Our Product Range

ADP manufactures a comprehensive line of bearing accessories, including adapter sleeves, withdrawal sleeves, lock nuts, hydraulic nuts, and more—engineered for durability and precision.

Hydraulic Adapter Sleeve

d1 140–180mm | OH3032–OH3040, OH3132–OH3140

Metric Dimensions

Withdrawal Sleeve with Small Extraction Nut

Withdrawal Sleeve (Small Nut)

d1 200–420mm | AOH3044G–AOHX3088G

High-Capacity

Adapter Sleeves

d1 200–400mm | H3044–H3096, H3144–H3196

Metric Series

Extraction Sleeve

d1 100–145mm | AHX2322–AHX2330

Precision Fit

Easy Extraction Adapter Sleeve

d1 45–85mm | A210–A219, A310–A319

User-Friendly

Hydraulic Extraction Sleeve

d1 150–190mm | AOH2332–AOH2340

Hydraulic Series

Adapter Sleeves (Inch)

d1 8 15/16–13 15/16" | SNP3048–SNP3076

Inch Shaft

Lock Nuts with Locking Clip

AN44–AN96, ANL44–ANL96

Secure Fastening

Hydraulic Nut

Model: HMV28 E

High Torque

Withdrawal Sleeve AH208–AH222

AH2 Series | Precision Taper

Metric

Adapter Sleeve H204–H222

H2 Series | Taper Bore Mounting

Standard Fit

KMG Nuts

Heavy-duty locking solution

Industrial Grade

View Full Product Catalog

Why ADP Stands Out

Engineered for precision, durability, and performance in demanding industrial environments.

Precision Engineering

We focus on roundness, run-out, and taper deviation—critical dimensions often not covered by ISO standards.

Advanced Quality Control

Equipped with full bearing measuring systems, thread gauges, and sine bars for taper precision verification.

Global Reach

Trusted by industrial partners worldwide. ADP products meet international standards and OEM requirements.

Frequently Asked Questions

What are adapter sleeves used for?

Adapter sleeves are used to mount bearings with tapered bores onto cylindrical shafts, allowing for precise axial positioning and secure locking.

How do hydraulic adapter sleeves work?

Hydraulic adapter sleeves use oil pressure to expand the sleeve radially, allowing easy mounting and dismounting without mechanical force.

Are ADP products ISO compliant?

Yes, ADP products meet or exceed ISO dimensional standards, with additional internal controls for precision beyond standard requirements.

Can I get custom sizes?

Yes, ADP offers customization for specific industrial applications. Contact us for OEM or special dimension requests.

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Precision Bearing Accessories Manufacturer