INA KWVE30-B-L-V2-G3 Linear Guide Carriage

KWVE30-B-L-V2-G3 INA Linear Bearing

The INA KWVE30-B-L-V2-G3 is a high-precision linear guide carriage (also known as linear guide block) designed for four-row recirculating ball guidance in leading automation, CNC and motion systems. It supports rail size 30 mm with a flange (B) mounting style, long carriage (L) configuration, preload class V2, and precision class G3.

Key Dimensions & Performance

From catalog data:

• Carriage width (B): 90 mm

• Overall length (L): 127 mm

• Dynamic load rating (C): 34,500 N

• Static load rating (C0): 74,000 N

• Static moment ratings:
    • M0x ≈ 1,310 N·mm
    • M0y ≈ 1,240 N·mm
    • M0z ≈ 1,240 N·mm

• Operating temperature range: approx. -10 °C to +80 °C

• Seal / lubrication: includes end seals / sealing strips and supports relubrication

Because of its preload V2, the carriage is delivered with a moderate internal preload, reducing clearance while preventing excessive friction — suitable for systems demanding rigidity without sacrifice of smooth motion. The precision class G3 ensures tight tolerances and consistent accuracy across the travel.

Features & Competitive Advantages

• Flanged mounting (B) simplifies installation without needing separate brackets

• Long carriage (L) increases contact length on the rail and enhances stability

• Preload V2 balances minimal clearance with controllable friction

• Precision class G3 supports usage in demanding machinery and precision systems

• High dynamic and static load capacities for compact footprint

• Moment load resistance in three axes, supporting off-axis loads

• Seals with relubrication strips ensure serviceability and extended life

• Designed for standard 30 mm rail systems, making it compatible with many setups

• Built by INA / Schaeffler, trusted brand in linear motion

Applications & Use Cases

This carriage is ideal for:

• CNC routers, milling machines, machining centers

• 3D printers, engraving machines, laser cutters

• Automation systems and pick-and-place robots

• Measuring instruments and precision equipment

• Industrial automation, assembly lines, handling systems

• Anywhere linear motion with high precision, rigidity, and durability is required

Installation & Maintenance Guidelines

• Ensure rail and carriage surfaces are clean, burr-free, and aligned

• Slide the carriage gently onto the rail without force or bumps

• Use appropriate torque for mounting bolts to avoid distortion

• Use high-quality grease compatible with working temperature for relubrication

• Periodically inspect for noise, vibration or temperature rise

• In heavy use, reapply lubricant via the relubrication strips

FAQ - Frequently Asked Questions

Q1: What does KWVE30-B-L-V2-G3 mean?

• KWVE30: series for 30 mm rails

• B: flange mounting style

• L: long carriage

• V2: preload class (moderate preload)

• G3: precision class (tolerance grade)

Q2: Is this carriage compatible with other KWVE30 variants?
Yes — other KWVE30 carriages (with different preload or precision classes) may be interchangeable if mounting and rail match.

Q3: What is the load capacity of KWVE30-B-L-V2-G3?
Dynamic load ~ 34,500 N and static load ~ 74,000 N.

Q4: What temperatures can this carriage handle?
Approximately -10 °C to +80 °C in typical conditions with specified sealing and lubrication.

Q5: Does KWVE30-B-L-V2-G3 require lubrication?
Yes — the carriage includes end seals / sealing strips and supports periodic relubrication to maintain performance and lifespan.

Q6: Which applications is this carriage best suited for?
Best for precision CNC machines, automation systems, robotics, measurement devices — anywhere linear motion with rigidity and accuracy is needed.