Reference Library › Vertical Machining Centers › MCR-BIII

Reference recordMBB·VERTICAL-MACHINING-CENTERS/OKUMA-MCR-BIIIUpdated 2026-10-10

Photo: Okuma (manufacturer)

MakeOkuma

ModelMCR-BIII

Machine typeVertical Machining Centers

Width Between Columns80.71 [100.39, 120.08, 139.76] in

Table Travel (X-Axis)118.11 [157.48 ~ 472.44] in

Spindle Range10~4,000 rpm

Spindle Range (options / other configurations)10~3,600; 10~6,000; 30~8,000; 30~10,000 rpm

Spindle Power40/30 [60/50] hp

Feedrates — Rapid traverse, m/min (ipm) (corrected: okuma.com showed '590.1 x 787.4 x 590.1 ipm'; per the Okuma MCR-BIII (Elevating Crossrail, MCR-BIII20E / 25E / 30E / 35E) brochure, Sep 2020, p. 19)X: 15, Y: 20, Z: 15 (X: 590.55, Y: 787.40, Z: 590.55)

Magazine Capacity32

Magazine Capacity (options / other configurations)50, 72, 100, 120, 180

Travel — Y-axis (spindlehead horizontal), mm (in)2,700 (106.3)

Travel — Z-axis (ram vertical), mm (in)800 (31.50)

Travel — W-axis (crossrail vertical), mm (in)700 (27.56)

Travel — Table to spindle nose, mm (in)0 to 1,350 (0 to 53.15)

Table — Working surface, mm (in)1,500 × 2,800 (59.06 × 110.24)

Table — Maximum load, kg (lb)12,000 (26,400)

Table — T-slots Width x No. <center pitch>, mm24H7 × 9 <center 200 both ends 70>

Table — Height from machine bottom, mm (in)800 (31.50)

Spindle — Number of speed ranges, Steps2

Spindle — Taper bore7/24 taper No. 50

Spindle — Bearing diameter, mm (in)ø100 (3.94)

Feedrate, mm/min (ipm)1 to 10,000 (0.04 to 394)

Feedrates — Crossrail traverse, m/min (ipm)3 (118.11)

Automatic Tool Changer — Tool shankMAS BT50

Automatic Tool Changer — Pull studMAS 2

Automatic Tool Changer — Max tool diameter (w/ adjacent tools), mm (in)ø135 (5.31)

Automatic Tool Changer — Max tool diameter (w/o adjacent tools), mm (in)ø230 (9.06)

Automatic Tool Changer — Max tool length, mm (in)400 (15.75)

Automatic Tool Changer — Max tool weight, kg (lb)25 (55)

Standard spindle — Max torque (30 min/cont), N-m1,430/1,040

Motors — Axis feed drives, kW (hp)X: 9.4 (12.5), Y: 6.4 (8.5), Z: 4.6 × 2 (6.1 × 2)

Electrical power supply, kVA60 (200 V ± 10%, 50/60 Hz)

Power Sources — Compressed air supply, L/min (ANR)750 (0.5 MPa or more)

Machine Size — Height, mm (in)6,250 (246.06)

Floor space (machine only), mm (in)6,950 × 8,200 (273.62 × 322.83)

Weight (machine only), kg (lb)36,000 (79,200)

Travel: other configurations and options (13)

Z-axis (ram vertical) (option), mm (in)1,000 (39.37)

Travel — Table to spindle nose (250 mm extension head), mm (in)0 to 1,250 (0 to 49.21)

Travel — Y-axis (spindlehead horizontal) — MCR-BIII25E, mm (in)3,200 (125.98)

Travel — Y-axis (spindlehead horizontal) — MCR-BIII30E, mm (in)3,700 (145.67)

Travel — Y-axis (spindlehead horizontal) — MCR-BIII35E, mm (in)4,200 (165.35)

Travel — W-axis (crossrail vertical) — MCR-BIII25E, mm (in)1,000 (39.37)

Travel — W-axis (crossrail vertical) — MCR-BIII30E / 35E, mm (in)1,300 (51.18)

Travel — Table to spindle nose — MCR-BIII25E, mm (in)0 to 1,650 (0 to 64.96)

Travel — Table to spindle nose — MCR-BIII30E, mm (in)0 to 1,850 (0 to 72.83)

Travel — Table to spindle nose — MCR-BIII35E, mm (in)0 to 1,800 (0 to 70.87)

Travel — Table to spindle nose — MCR-BIII25E, 250 mm extension head, mm (in)0 to 1,550 (0 to 61.02)

Travel — Table to spindle nose — MCR-BIII30E, 250 mm extension head, mm (in)0 to 1,750 (0 to 68.90)

Travel — Table to spindle nose — MCR-BIII35E, 250 mm extension head, mm (in)0 to 1,700 (0 to 66.93)

Spindle: other configurations and options (6)

Bearing diameter (option: 6,000/8,000/10,000 min-1 spindles), mm (in)ø85 (3.35)

Max torque (option: 3,600 min-1 spindle) (30 min/cont), N-m1,516/1,247

Max torque (option: 6,000 min-1 spindle) (cont), N-m880

Max torque (option: 8,000 min-1 spindle) (30 min/cont), N-m735/622

Max torque (option: 10,000 (26/22 kW) min-1 spindle) (30 min/cont), N-m735/622

Max torque (option: 10,000 (37/32 kW) min-1 spindle) (short time/cont), N-m751/650

Motors: other configurations and options (7)

Spindle drive (option: 3,600 min-1 spindle) (30 min/cont), kW (hp)45/37 (60/50)

Spindle drive (option: 6,000 min-1 spindle) (cont), kW (hp)22 (30)

Spindle drive (option: 8,000 min-1 spindle) (30 min/cont), kW (hp)26/22 (35/30)

Spindle drive (option: 10,000 (26/22 kW) min-1 spindle) (30 min/cont), kW (hp)26/22 (35/30)

Spindle drive (option: 10,000 (37/32 kW) min-1 spindle) (short time/cont), kW (hp)37/32 (50/43)

Motors — Axis feed drives — MCR-BIII30E, kW (hp)X: 9.4 (12.5), Y: 6.4 (8.5), Z: 4.6 × 2 (6.1 × 2)

Motors — Axis feed drives — MCR-BIII35E, kW (hp)X: 9.4 (12.5), Y: 9.4 (12.5), Z: 4.6 × 2 (6.1 × 2)

Table: other configurations and options (38)

Table — Working surface — MCR-BIII20E 20 × 40, mm (in)1,500 × 3,800 (59.06 × 149.61)

Table — Working surface — MCR-BIII20E 20 × 50, mm (in)1,500 × 4,800 (59.06 × 188.98)

Table — Working surface — MCR-BIII25E 25 × 40, mm (in)2,000 × 3,800 (78.74 × 149.61)

Table — Working surface — MCR-BIII25E 25 × 50, mm (in)2,000 × 4,800 (78.74 × 188.98)

Table — Working surface — MCR-BIII25E 25 × 65, mm (in)2,000 × 6,300 (78.74 × 248.03)

Table — Working surface — MCR-BIII25E 25 × 80, mm (in)2,000 × 7,800 (78.74 × 307.09)

Table — Working surface — MCR-BIII30E 30 × 50, mm (in)2,500 × 4,800 (98.43 × 188.98)

Table — Working surface — MCR-BIII30E 30 × 65, mm (in)2,500 × 6,300 (98.43 × 248.03)

Table — Working surface — MCR-BIII30E 30 × 80, mm (in)2,500 × 7,800 (98.43 × 307.09)

Table — Working surface — MCR-BIII30E 30 × 100, mm (in)2,500 × 9,800 (98.43 × 385.83)

Table — Working surface — MCR-BIII30E 30 × 120, mm (in)2,500 × 11,800 (98.43 × 464.57)

Table — Working surface — MCR-BIII35E 35 × 50, mm (in)3,000 × 4,800 (118.11 × 188.98)

Table — Working surface — MCR-BIII35E 35 × 65, mm (in)3,000 × 6,300 (118.11 × 248.03)

Table — Working surface — MCR-BIII35E 35 × 80, mm (in)3,000 × 7,800 (118.11 × 307.09)

Table — Working surface — MCR-BIII35E 35 × 100, mm (in)3,000 × 9,800 (118.11 × 385.83)

Table — Working surface — MCR-BIII35E 35 × 120, mm (in)3,000 × 11,800 (118.11 × 464.57)

Table — Maximum load — MCR-BIII20E 20 × 40, kg (lb)16,000 (35,200)

Table — Maximum load — MCR-BIII20E 20 × 50, kg (lb)20,000 (44,000)

Table — Maximum load — MCR-BIII25E 25 × 40, kg (lb)22,000 (48,400)

Table — Maximum load — MCR-BIII25E 25 × 50, kg (lb)27,000 (59,400)

Table — Maximum load — MCR-BIII25E 25 × 65, kg (lb)34,000 (74,800)

Table — Maximum load — MCR-BIII25E 25 × 80, kg (lb)42,000 (92,400)

Table — Maximum load — MCR-BIII30E 30 × 50, kg (lb)33,000 (72,600)

Table — Maximum load — MCR-BIII30E 30 × 65, kg (lb)43,000 (94,600)

Table — Maximum load — MCR-BIII30E 30 × 80, kg (lb)52,000 (114,400)

Table — Maximum load — MCR-BIII30E 30 × 100, kg (lb)66,000 (145,200)

Table — Maximum load — MCR-BIII30E 30 × 120, kg (lb)72,600 (159,720)

Table — Maximum load — MCR-BIII35E 35 × 50, kg (lb)29,500 (64,900)

Table — Maximum load — MCR-BIII35E 35 × 65, kg (lb)37,000 (81,400)

Table — Maximum load — MCR-BIII35E 35 × 80, kg (lb)47,000 (103,400)

Table — Maximum load — MCR-BIII35E 35 × 100, kg (lb)61,000 (134,200)

Table — Maximum load — MCR-BIII35E 35 × 120, kg (lb)65,000 (143,000)

Table — T-slots Width x No. <center pitch> — MCR-BIII25E, mm24H7 ×11 <center 200 both ends 70>

Table — T-slots Width x No. <center pitch> — MCR-BIII30E, mm24H7 ×13 <center 200 both ends 70>

Table — T-slots Width x No. <center pitch> — MCR-BIII35E, mm24H7 ×15 <center 200 both ends 100>

Table — Height from machine bottom — MCR-BIII25E, mm (in)850 (33.46)

Table — Height from machine bottom — MCR-BIII30E, mm (in)900 (35.43)

Table — Height from machine bottom — MCR-BIII35E, mm (in)950 (37.40)

Machine Size: other configurations and options (34)

Floor space (machine only) — MCR-BIII20E 20 × 40, mm (in)6,950 × 10,200 (273.62 × 401.57)

Floor space (machine only) — MCR-BIII20E 20 × 50, mm (in)6,950 × 12,200 (273.62 × 480.31)

Floor space (machine only) — MCR-BIII25E 25 × 40, mm (in)7,450 × 10,200 (293.31 × 401.57)

Floor space (machine only) — MCR-BIII25E 25 × 50, mm (in)7,450 × 12,200 (293.31 × 480.31)

Floor space (machine only) — MCR-BIII25E 25 × 65, mm (in)7,450 × 15,800 (293.31 × 622.05)

Floor space (machine only) — MCR-BIII25E 25 × 80, mm (in)7,450 × 18,800 (293.31 × 740.16)

Floor space (machine only) — MCR-BIII30E 30 × 50, mm (in)7,970 × 12,200 (313.78 × 480.31)

Floor space (machine only) — MCR-BIII30E 30 × 65, mm (in)7,970 × 15,800 (313.78 × 622.05)

Floor space (machine only) — MCR-BIII30E 30 × 80, mm (in)7,970 × 18,800 (313.78 × 740.16)

Floor space (machine only) — MCR-BIII30E 30 × 100, mm (in)7,970 × 23,400 (313.78 × 921.26)

Floor space (machine only) — MCR-BIII30E 30 × 120, mm (in)7,970 × 27,400 (313.78 × 1,078.74)

Floor space (machine only) — MCR-BIII35E 35 × 50, mm (in)8,700 × 12,200 (342.52 × 480.31)

Floor space (machine only) — MCR-BIII35E 35 × 65, mm (in)8,700 × 15,800 (342.52 × 622.05)

Floor space (machine only) — MCR-BIII35E 35 × 80, mm (in)8,700 × 18,800 (342.52 × 740.16)

Floor space (machine only) — MCR-BIII35E 35 × 100, mm (in)8,700 × 23,200 (342.52 × 913.39)

Floor space (machine only) — MCR-BIII35E 35 × 120, mm (in)8,700 × 27,300 (342.52 × 1,074.80)

Weight (machine only) — MCR-BIII20E 20 × 40, kg (lb)39,000 (85,800)

Weight (machine only) — MCR-BIII20E 20 × 50, kg (lb)42,000 (92,400)

Weight (machine only) — MCR-BIII25E 25 × 40, kg (lb)46,000 (101,200)

Weight (machine only) — MCR-BIII25E 25 × 50, kg (lb)49,000 (107,800)

Weight (machine only) — MCR-BIII25E 25 × 65, kg (lb)54,000 (118,800)

Weight (machine only) — MCR-BIII25E 25 × 80, kg (lb)60,000 (132,000)

Weight (machine only) — MCR-BIII30E 30 × 50, kg (lb)56,000 (123,200)

Weight (machine only) — MCR-BIII30E 30 × 65, kg (lb)61,000 (134,200)

Weight (machine only) — MCR-BIII30E 30 × 80, kg (lb)66,000 (145,200)

Weight (machine only) — MCR-BIII30E 30 × 100, kg (lb)73,000 (160,600)

Weight (machine only) — MCR-BIII30E 30 × 120, kg (lb)79,800 (175,560)

Weight (machine only) — MCR-BIII35E 35 × 50, kg (lb)72,300 (159,060)

Weight (machine only) — MCR-BIII35E 35 × 65, kg (lb)84,000 (184,800)

Weight (machine only) — MCR-BIII35E 35 × 80, kg (lb)95,800 (210,760)

Weight (machine only) — MCR-BIII35E 35 × 100, kg (lb)106,500 (234,300)

Weight (machine only) — MCR-BIII35E 35 × 120, kg (lb)120,900 (265,980)

Machine Size — Height — MCR-BIII25E, mm (in)6,600 (259.84)

Machine Size — Height — MCR-BIII30E / 35E, mm (in)6,850 (270)

📋 Spec data: Detailed (132 fields) · compiled from manufacturer and public sources · reference updated 2026-10-15.
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

MCR-BIII

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

MBB Model ID MBB-M-BG8QZ0 · What is this?

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About the Okuma MCR-BIII

The Okuma MCR-BIII 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.

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