Higen Motor Co., Ltd.

Bearing applicationReady Inspection and Easy Maintenance through Unique Bearing ConstructionThe ball and roller bearings can be greased while the motor is running. Waste grease is collected in a grease...

Automation & Control Systems Higen Motor Co., Ltd. 28 Jan 2026 ( )

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Bearing application

Ready Inspection and Easy Maintenance through Unique Bearing Construction

The ball and roller bearings can be greased while the motor is running. Waste grease is collected in a grease trap mounted on each end bracket. The used grease is removed with a single stroke of the discharge handle, simplifying inspection and maintenance. In frame sizes 500 or above, roller bearings at each end absorb radial load, and ball bearings at the drive end absorb thrust load. This assures stability and longer life.
Sleeve bearings employ efficient sealing between shaft and bearing to prevent lubricants from leaking either into the motor housing or outside the housing. The sleeve bearings are split into two halves. Removing the upper half exposes the bearing interior. Bracket removal is not required for inspection or maintenance.

Type	BD,BS-O,ME	HE
Pole	4-Pole or more	4-Pole	6-Pole	8-Pole
Frame
400	Ball or roller bearings (Grease lubrication)
450
500

Bearing application of motors in 4-pole or more is listed above.

Ball or Roller Bearing	Frame 450 or below
Ball or Roller Bearing	Frame 500 or above
Sleeve Bearing

HIGEN Motor Totally Enclosed Fan Cooled Vertical motors are designed to IEC dimension.

As the apparatus is built with the main body that is totally enclosed, and cooled by a cooling fan on the opposite drive end, it allows direct installation of a counter apparatus on flange part by using it as a linkage axis bracket.

It ensures a full performance of its advantage as motors for Machine tools, Pumps, Centrifuges etc.
Often committed in dusty and humid environments.

Type FEV-0 55kW 4p

RATINGS AND SPECIFICATIONS

Standard Out put Ranges : See Table 1

Types and Starting Torgue.
TYPE FEVK - Squirrvel-Cage, Starting 100% or above full-load torgue.
TYPE FEVF - Squirrvel-Cage, Starting 150% or above full-load torgue.

Time Rating : continuous

Rated Vottage : 6000V 50Hz, 6600V 60Hz

Insutation : Class F

Allowable Temperature rise : 100a?? (by resistance method)

Bearings : Regreasable ball or roller bearings

NO.of Motor Leads : 3

Connection to Load : Direct drive.

Finish in munsell Notation : 5PB 8 / 2.5(Blue)

<Table1> Standard Output Ranges

1. Motors cannot carry thust losd from driven machine.
2. Motors other than thse listed above are available.

<Table2> Characteristics

Voltage	Pole	Output (kw)	Frame FEV	Full-load Current (A)		Full-load Pole Speed (rpm)		FEVRotor GD2 (kg·m2)
Voltage	Pole	Output (kw)	Frame FEV	50 (Hz)	60 (Hz)	50 (Hz)	60 (Hz)	FEVRotor GD2 (kg·m2)
High Voltage	4	90	280 MBS	22	19.5	1475	1775	6
		110	280 MBS	26.5	24	1475	1775	7.2
		132	315 MBG	31.5	28.5	1480	1780	11.2
		160	315 MBG	37.5	34	1480	1780	13.2
		200	355 MBG	46.5	42	1480	1780	17.2
		250	355 MBG	58	52	1480	1780	21.2
		315	355 MBG	72.5	65	1480	1780	33.2
	6	75	280 MBS	20	18	980	1180	6.4
		90	280 MBS	23.5	21	980	1180	7.6
		110	315 MBG	28.5	25.5	980	1180	12.0
		132	315 MBG	34	30	980	1180	14
		160	355 MBG	41	36.5	985	1185	18
		200	355 MBG	51	45	985	1185	23.2
		250	355 MBG	62.5	55.5	985	1185	35.2
	8	37	280 MBS	11.5	10	735	885	5.6
		45	280 MBS	13.5	12	735	885	6.8
		55	280 MBS	16.5	14.5	735	885	7.2
		75	280 MBS	21.5	19	735	885	9.6
		90	315 MBG	25.5	22.5	735	885	14
		110	315 MBG	30.5	26.5	735	885	19.2
		132	355 MBG	36	31.5	735	885	21.2
		160	355 MBG	43	38	735	885	27.2

TERMINAL BOXES AND POWER LEAD SIZE
Shown in the table 3 are standard application of terminal boxes to motor output and applicable lead size to the terminal boxes.

<Table3> Terminal Boxes and Power Lead Sizes

Motor Ratings			Sectional Area of Power Lead Conductor (mm2)	Terminal Boxes Motor Ratings (Made of Steel Sheet)
Voltage (V)		Output (kw)	Sectional Area of Power Lead Conductor (mm2)	Type	Power Lead Entrance	Dwg No.
High Voltage	3000	37 to132 160, 200 250 315	14 (Three-core) 22 (Three-core) 30 (Three-core) 50 (Three-core)	KU- 300F	An entrance cover with 7mm dia hole is mounted	1

CONSTRUCTION OF TERMINAL BOXES

DIMENSIONS in mm

Two types of the bearings are used for a motor.
Single-row cylindrical roller bearing are employed at drive end. Single-row deep-groove bearings are employed at opposite drive end. Motor is equipped with a short shaft extension for a direct-connected drive as standard.

Frame. FEV-	Flange No.	LA	LB	LC	LE	LG	DC	DD	KL	LL	LR	L	LZ
280 MBG	FE 600	600	550 js6	660	6	25	725	640	560	1170	170	1340	24
315 MBG	FE 600	600	550 js6	660	6	25	780	690	590	1270	170	1440	24
355 MBG	-	740	680 h7	800	5	25	860	750	630	1510	170	1680	24

Frame. FEV-	Flange No.	Shaft Extensin										Bearing No.		Approx. Weight kg
Frame. FEV-	Flange No.	Q	QK	QR	S m6	T	U	W	PC	XE	XL	Drive End	Opp Drive End	Approx. Weight kg
280 MBG	FE 600	170	140	1.2	85	14	9	22	50	M 12	20	NU 318	6318 C3	930
315 MBG	FE 600	170	140	1.2	95	14	9	25	63	M 16	27	NU 320	6320 C3	1190
355 MBG	-	170	140	1.2	95	14	9	25	63	M 16	27	NU 320	6320 C3	1800

1. Dimensions of the shaft extension key and keyway are based on KS (Korean Standard) B 1311 "Sunk keys and Their Corresponding Keyways."Shaft extension key is furnished
2. Tolerances on dimension LB of flange diameter and S of shaft extension diameter are based on KS B 0401 "Limits and Fits for Engineering."
3. Approximate motor weights are of maximum motors.
4. Terminal box can be turned to one of four positions, 90 degrees apart to provide easy entrance of the power leads.