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MTWB Customized Bearings & Services

Super Precision Mini. Bearings

Super Precision Miniature Bearings Characteristics: Inner diameter <10mm (MTWB’s smallest 0.6mm); ABEC 7-9 tolerances; ultra-low …

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High Speed Miniature Bearings

High Speed Miniature Bearings Characteristics: Lightweight cages (phenolic or PEEK); low viscosity grease/oil mist; controlled internal clearance (C2 to …

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Stainless Steel Bearings

Stainless Steel Bearings (AISI 440C / 316) Characteristics: Corrosion resistance; non-magnetic options (316); passivated …

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Extra-Low Noise Small DGBB

Extra-Low Noise Small DGBB (Deep Groove Ball Bearings) Characteristics: Vibration grade V4 (lowest) or above; specially honed raceways; controlled steel ball …

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Guide Roller Bearings

Guide Roller Bearings Characteristics: Flanged or stud-type outer ring; eccentric stud option for backlash adjustment; grooved diameter (e.g., …

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Full Ball / Roller Bearings

Full Ball / Roller Bearings Characteristics: No cage; maximum complement (>5% more balls/rollers); snap-type assembly or split outer …

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Ultra Thin-Section Bearings

Ultra Thin-Section Bearings Characteristics: Cross-section equal to ball diameter; section height constant across ~1" bore series (e.g., KD040, …

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Ceramic Bearings

Ceramic Bearings (Hybrid or Full) Characteristics: Si3N4 ZrO2 balls; chrome steel Inconel rings (hybrid); full ceramic (all parts …

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Special Measures Bearing/Part

Special Measures Bearings & Components Characteristics: Non-ISO metric/imperial dimensions; custom radial play and internal …

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High Temp.+350℃ Bearings

High Temp. +350°C Bearings Characteristics: M50 tool steel or Inconel 718; no standard grease - dry solid lubricants (MoS2, WS2); carbon Si3N4 …

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Maintenance Free Bearings (Patented)

Maintenance Free Bearings (Patented) Characteristics: Embedded solid lubricant (graphite/MoS2) in raceway grooves; self-lubricating …

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Oil Pump Bearings

Oil Pump Bearings (Needle Roller Bearing + Solid Lubricant) Characteristics: Full-complement needle roller set (no cage) with embedded solid lubricant (MoS₂, …

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Extra Heavy Duty Bearings

Extra Heavy Duty Bearings Characteristics: Through-hardened rather than case-carburized; thicker rings (custom internal design); full complement or large …

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Low Temp.-250℃ Bearings

Low Temp. -250°C Bearings Characteristics: AISI 304 or Invar raceways; self-lubricating PTFE MoS2; no ferromagnetic phases; silicon nitride …

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One-Way Bearings

One-Way Bearings (Sprag / Roller Ramp) Characteristics: Asymmetric profile; inner and outer ramps; spring …

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Large Size Bearings

Large Size Bearings Characteristics: Outer Diameter up to 2000 mm; segmented cages; thru-hardened or carburized rings; often four-point contact slewing ring …

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Spindle Ball Bearings

Spindle Ball Bearings Characteristics: High accuracy (P4/ABEC 7); 15° to 25° contact angle; universal pairing (DB, DF, …

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Ultra Precision ACBB

Ultra Precision ACBB (Angular Contact Ball Bearings) Characteristics: P2 (ABEC 9) class; 3 µm ball grade; silicon nitride ceramic balls optional; 14°–20° …

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Agricultural Bearings

Agricultural Bearings Characteristics: Extra-thick raceways; triple-lip seals with heavy grease (NLGI #3); cast iron housings optional. Advantages: …

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Automotive Bearings

Automotive Bearings (EV Drive, Steering & Auxiliary Systems) Characteristics: Designed for electric vehicles – electrically insulated (to prevent …

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