Square flanged linear bearing for automation equipment, CNC machines, robots, and precision machinery. Its flanged structure integrates mounting holes for quick positioning and fixation, significantly improving assembly efficiency. Manufactured with SUJ2 bearing steel and precision grinding technology, it ensures stable guiding performance and fatigue resistance
product highlights
High-precision guidance
Double-row steel ball circulation design ensures radial runout error ≤0.02mm for precise linear motion.
01
Low friction and high load capacity
Friction coefficient as low as 0.001 supports high-speed reciprocating motion; double-liner type load capacity is 3 times that of single-liner type.
02
Dust-proof and sealed design
Built-in nitrile rubber seals effectively block dust and foreign matter, suitable for harsh environments.
03
Easy installation
Square flange design allows multi-directional installation, compatible with H7 tolerance fixing seats to reduce assembly errors.
04
Long life and maintenance-free
Electroless nickel plating improves rust resistance by 3 times; grease replenishment recommended every 6 months.
05
Product Information
Application Scenarios
FAQ
Q: What is the difference between square flange and round flange linear bearings?
A: The main differences lie in installation and structure:
Square flange: Square-shaped flange with symmetrically distributed mounting holes, suitable for high-rigidity and stable installation, with strong torsional resistance.
Round flange: Circular flange, usually with 3-4 mounting holes, occupying less space, suitable for lightweight or space-constrained designs.
Q: How to select the appropriate Square flanged linear bearing model?
A: Consider the following when selecting a model:
Rated load (radial/axial load)
Stroke length and installation space
Precision grade (standard, precision, super-precision)
Operating speed and acceleration
Environmental conditions (dust, humidity, temperature, corrosion)
Guide rail compatibility (must match the same series of guide rails)
Q: What precautions should be taken when installing square flange linear bearings?
A: Installation precautions:
Clean the mounting area thoroughly: Eliminate burrs and oil residue to guarantee a level surface.
Align the guide tracks: Utilize a laser leveling device or ruler to adjust rail parallelism to stay within the acceptable range.
Secure bolts uniformly: Gradually tighten the flange mounting bolts in a crisscross pattern to prevent distortion.
Pre-lubricate components: Apply a sufficient quantity of grease to the raceway prior to installation; regularly refill lubricating oil for high-velocity operations.
Prevent impact damage: Never hit the bearing directly with a hammer; instead, employ specialized installation equipment.
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