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Oil Free Bushings - High Precision, Economy series (Part Numbers)

Volume Discount

MISUMI

MiSUMi Economy

MISUMI

Only part numbers that can be generated via the filter(Configurator bar on the left) are currently available.

Part Number

Configured Part Number is shown.

[ ! ] Please note that some sizes listed in the specification table are not yet available.
Part numbers generated using the configuration bar on the left side of the page are valid.

Dimensional Drawing

·Less likely to damage the mating material when it is soft such as stainless steel, aluminum, brass, etc.
·Excels in abrasion resistance with the relative wear amount: 1.6 × 10^-7 mm³/N⋅m. (It varies depending on conditions of use.)

[ ! ] Applicable to linear and rotary motion
[ ! ] Loctite (thread locking adhesive) is recommended to secure bushings.

Product Specifications

[M]Material: base material	Aluminium Alloy 2000 series
Sliding Material	Fluororesin
Electrical Conductivity	Not provided
Allowable Temperature	−50 to 140°C
Allowable Temperature	−50 to 140°C

* Base and sliding materials are bonded.

Specification Table

Part Number	—	L
BFLB10	—	10

Part Number			L										D		T
Type	d		L											Tolerance	T
BFLB	3		3	4	5	6	8						6		1.5
	4		3	4	5	6	8	10					7
	5		3	4	5	6	8	10					8
	6		3	4	5	6	8	10	12				9
	8	+0.02				6	8	10	12	15			11	0
	10	0				6	8	10	12	15	20		13	− 0.015
	12					6	8	10	12	15	20		15
	13						8	10	12	15	20		16
	15						8	10	12	15	20		18
	16							10	12	15	20	25	19
	18							10	12	15	20	25	21	0
	20							10	12	15	20	25	23	− 0.020

Recommended Mating Material Dimension

Part Number		Recommended Mating Material Dimension
TYPE	d	Shaft O.D. (mm)	Tolerance Class	Tolerance (μm)	Housing Dia. (mm)	Tolerance Class	Tolerance (μm)
BFLB	3	3	f8	-6/-20	6	F7	+10/+22
	4	4		-10/-28	7		+13/+28
	5	5		-10/-28	8		+13/+28
	6	6		-10/-28	9		+13/+28
	8	8		-13/-35	11		+16/+34
	10	10		-13/-35	13		+16/+34
	12	12		-16/-43	15		+16/+34
	13	13		-16/-43	16		+16/+34
	15	15		-16/-43	18		+16/+34
	16	16		-16/-43	19		+20/+41
	18	18		-16/-43	21		+20/+41
	20	20		-20/-53	23		+20/+41

Product Specifications

Material Properties and Environmental Tolerances (Reference)

	High Precision
Lubrication	Unlubricated
Permissible maximum surface pressure	6 N/mm²	61 kgf/cm²
Permissible maximum speed	3.33 m/s	200 m/min
Maximum Allowable PV Value	0.98 N/mm²⋅m/s	600 kgf/cm²⋅m/min

[ ! ] Listed values are not standard values but reference values.

Environmental Conditions

In Air	○
In Oil	×
In Water	×
In Seawater	×
In Chemicals	×
In Corrosive Atmosphere	○

[ ! ] Characteristics of sliding materials.

Mechanical Properties (Reference Value)

Characteristics	Value	Testing Method
Tensile Strength	12 N/mm² [1.2 kgf/mm²]	ASTM D 638
Elongation	171%	ASTM D 638
Hardness	HDD62	ASTM D 2240
Linear Thermal Expansion Coefficient	9 to 9.75 × 10^－5°C^－1	ASTM D 696
Specific Gravity	1.98	ASTM D 792

[ ! ] Listed values are not standard values but reference values.

: 30; 60; 90

Part Number
EA-BFLB4-5
EA-BFLB4-6
EA-BFLB5-5
EA-BFLB5-6
EA-BFLB5-8
EA-BFLB6-5
EA-BFLB6-6
EA-BFLB6-8
EA-BFLB6-10
EA-BFLB6-12
EA-BFLB8-6
EA-BFLB8-8
EA-BFLB8-10
EA-BFLB8-12
EA-BFLB8-15
EA-BFLB10-6
EA-BFLB10-8
EA-BFLB10-10
EA-BFLB10-12
EA-BFLB10-15
EA-BFLB10-20
EA-BFLB12-10
EA-BFLB12-12
EA-BFLB12-15
EA-BFLB12-20
EA-BFLB16-15
EA-BFLB16-20
EA-BFLB16-25

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Overall Length L (mm)
MYR 38.99	1 Piece(s)	Available	6 Day(s)	4	7	5
MYR 38.99	1 Piece(s)	Available	6 Day(s)	4	7	6
MYR 39.28	1 Piece(s)		6 Day(s)	5	8	5
MYR 39.28	1 Piece(s)	Available	6 Day(s)	5	8	6
MYR 39.66	1 Piece(s)	Available	6 Day(s)	5	8	8
MYR 35.64	1 Piece(s)	Available	6 Day(s)	6	9	5
MYR 35.64	1 Piece(s)	Available	6 Day(s)	6	9	6
MYR 36.35	1 Piece(s)	Available	6 Day(s)	6	9	8
MYR 38.01	1 Piece(s)	Available	6 Day(s)	6	9	10
MYR 38.01	1 Piece(s)	Available	6 Day(s)	6	9	12
MYR 39.28	1 Piece(s)	Available	6 Day(s)	8	11	6
MYR 39.28	1 Piece(s)	Available	6 Day(s)	8	11	8
MYR 41.46	1 Piece(s)	Available	6 Day(s)	8	11	10
MYR 41.46	1 Piece(s)	Available	6 Day(s)	8	11	12
MYR 41.46	1 Piece(s)	Available	6 Day(s)	8	11	15
MYR 39.28	1 Piece(s)	Available	6 Day(s)	10	13	6
MYR 39.66	1 Piece(s)	Available	6 Day(s)	10	13	8
MYR 43.64	1 Piece(s)	Available	6 Day(s)	10	13	10
MYR 43.64	1 Piece(s)	Available	6 Day(s)	10	13	12
MYR 43.64	1 Piece(s)	Available	6 Day(s)	10	13	15
MYR 56.01	1 Piece(s)	Available	6 Day(s)	10	13	20
MYR 43.64	1 Piece(s)	Available	6 Day(s)	12	15	10
MYR 43.64	1 Piece(s)	Available	6 Day(s)	12	15	12
MYR 44.29	1 Piece(s)	Available	6 Day(s)	12	15	15
MYR 56.01	1 Piece(s)	Available	6 Day(s)	12	15	20
MYR 67.42	1 Piece(s)	Available	6 Day(s)	16	19	15
MYR 77.83	5 Piece(s)	Available	6 Day(s)	16	19	20
MYR 77.83	1 Piece(s)	Available	6 Day(s)	16	19	25

More Information

[ ! ]Flanged Height-Adjusting Spacers are selectable. Here

Basic Information

Type	Straight	Multi-layer	Fluororesin is bonded on the base material (Aluminium Alloy 2000 series).	Max. Allowable Surface Pressure P(N/mm2)	6
Maximum Allowable Velocity(m/s)	3.33	Max. Allowable PV Value Range(N/mm2・m/s)	0.3~1.0	Max. Allowable PV Value(N/mm²•m/s)	0.98
Operating Temperature Range(°C)	-50::140