Reference Library › Vertical Machining Centers › VTR-350A

Reference recordMBB·VERTICAL-MACHINING-CENTERS/OKUMA-VTR-350AUpdated 2026-10-10

Photo: Okuma (manufacturer)

MakeOkuma

ModelVTR-350A

Machine typeVertical Machining Centers

Max Turning DiameterØ137.79 in (Ø3,500 mm)

Max Turning Length62.99 in (1,600 mm)

Max Turning Length (options / other configurations)78.74, 94.49 in (2,000; 2,400 mm)

Z-Axis Travel [RAM]49.21 in (1,250 mm)

Z-Axis Travel [RAM] (options / other configurations)59.06 in (1,500 mm)

W-Axis [Elevating Rail]31.50 in (800 mm)

W-Axis [Elevating Rail] (options / other configurations)39.37, 47.24 in (1,000; 1,200 mm)

Table SizeØ118.11 in (Ø3,000 mm)

Max Load44,000 lbs (20,000 kg)

Spindle Speed1~160 rpm

Spindle Power74/60 hp (55/45 kW)

Torque31,346/25,667 lb-ft (42.5/34.8 kNm)

Torque (options / other configurations)42,779/34223 lb-ft (58.0/46.4 kNm)

C-Axis360 (minimum control angle: 0.001)

Tool storage23 tools

Machine size (W × D × H)8,615 × 5,374 × 6,300 mm (339.17 × 211.57 × 248.03 in)

Swing, Max TurnØ3,500 mm

Capacity — Floor to table top (standard table), mm (in)1,190 (46.85)

Travel — X-axis, mm (in)2,100 (82.68) + 680 (26.77)

Travel — Table top to milling tool spindle nose, mm (in)0 to 1,820 (0 to 71.65)

Milling tool spindle — Speed, min⁻¹30 to 3,000

Milling tool spindle — Torque (30 min/cont), N·m (ft-lbf)230/190 (169/140)

Milling tool spindle — Tool shankBT50

Milling tool spindle — Pull studMAS2

Turning tool, mm□32

Feed axis — Rapid traverse (C), min⁻¹2

Motors — Milling tool (30 min/cont), kW (hp)18.5/15 (25/20)

Machine size — Weight, kg (lb)43,000 (94,600)

Standard power capacity, kVA95

Standard air flow, L/min700

CNCOSP-P300SA

Feed axis — Rapid traverse (X & Z), m/min (fpm) (brochure contradiction: printed under 'm/min (ipm)'; 65.62 is the ft/min value, unit read as fpm; Okuma VTR-A series (VTR-160A / VTR-350A) brochure, Dec 2019, p. 13)X: 20 (65.62), Z: 20 (65.62)

Max cutting force, N (kgf) (brochure contradiction: printed under 'N (kgf·m)'; the pair is a force, unit read as N (kgf); Okuma VTR-A series (VTR-160A / VTR-350A) brochure, Dec 2019, p. 13)30,000 (3,061)

Feed axis — Rapid traverse (W) (the Okuma brochure prints conflicting values; confirm with Okuma)See manufacturer

Travel: other configurations and options (2)

X-axis (option: in-process work gauging), mm (in)3,850 (151.57)

Table top to milling tool spindle nose (option), mm (in)0 to 2,220, 0 to 2,620 (0 to 87.40, 0 to 103.15)

Milling tool spindle: other configurations and options (2)

Speed (option), min⁻¹45 to 4,500

Torque (option: high output specifications) (3 min/10 min/cont), N·m (ft-lbf)380/300/250 (279/221/184)

Tools: other configurations and options (1)

Magazine capacity (option), tool35, 59

Motors: other configurations and options (1)

Milling tool (option: high output specifications) (3 min/10 min/cont), kW (hp)30/24/20 (40/32/27)

Machine size: other configurations and options (1)

Height (option), mm (in)6,500, 7,250 (255.91, 285.43)

📋 Spec data: Detailed (41 fields) · compiled from manufacturer and public sources · reference updated 2026-10-16.
These specifications describe the model in general. The year, control generation, spindle, and option package of a specific unit may differ — always verify against the actual machine. Methodology · Data sources.

Okuma

VTR-350A

Evidence updated 16 October 2026: specifications. How evidence is dated

MBB Model ID MBB-M-0T396Q · What is this?

📚 Educational reference — no pricing, not for sale. Independent used-machine research and seller-source discovery are available in our market directory.

Manufacturer videoWatch on YouTube ↗

Double-Column Multitasking Machine　VTR-350A 【OKUMA CORPORATION JAPAN】OKUMA CORPORATION JAPAN · 0:59 · 2013-07-30

About the Okuma VTR-350A

The Okuma VTR-350A is catalogued under Vertical Machining Centers in The Machine Blue Book CNC machine reference library. This entry documents the machine for identification and education; specifications above are compiled from manufacturer and public sources and describe the model, not a specific unit.

Showroom

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Manuals & documents

All Okuma manuals and documentation →

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