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Oil Free Bushings - High Precision (BFLB8-6)

Oil Free Bushings - High Precision BFLB8-6

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MISUMI

MISUMI

- Oil Free Bushings - High Precision
- The series including of BFLB.
- Bushing Material: Base Material Aluminium Alloy 2000 series .
- Sliding Material: Fluororesin (* Base and sliding materials are bonded.)
- Inner Diameter: 4, 5, 6, 8, 10, 12 and 16.
- Overall Length (L): 5, 6, 8, 10, 12, 15, 20 and 25.
- Operating Temperature Range: -50 to 140 (°C)
- Loctite (thread locking adhesive) is recommended to affix bushings.
- Applicable to linear and rotary motion.
- BFLB is specifically effective if the mating material is soft such as stainless steel, aluminum, brass, etc.

(i)Caution

  • [Specification Change] The color of the sliding section will be changed sequentially starting in June 2025. Please see here for details.
  • Please check the content on our website as the PDF does not contain the most up-to-date information.

PDFP.1-399-2014

Part Number

Configured Part Number is shown.

BFLB8-6

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 material2000 Series Aluminum Alloy
Sliding MaterialFluororesin
Electrical ConductivityNot provided
Allowable Temperature−50 to 140°C
* Base and sliding materials are bonded.

Specification Table

Part Number—L
BFLB10—10
Part NumberLD T
Typed Tolerance
BFLB3＋0.02
　0		34568     6  0
−0.015		1.5
43456810    7
53456810    8
6345681012   9
8   68101215  11
10   6810121520 13
12   6810121520 15
13    810121520 16
15    810121520 18  0
−0.020
16     101215202519
18     101215202521
20     101215202523

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
LubricationUnlubricated
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)

CharacteristicsValueTesting Method
Tensile Strength12 N/mm2
[1.2 kgf/mm2]		ASTM D 638
Elongation171%ASTM D 638
HardnessHDD62ASTM D 2240
Linear Thermal Expansion Coefficient9 to 9.75 × 10－5°C－1ASTM D 696
Specific Gravity1.98ASTM D 792
[ ! ] Listed values are not standard values but reference values.

Part Number 

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30
45
60
  1. 1
Part Number
BFLB8-6
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSInner Dia. d
(Ø) 		Outer Dia. D
(Ø) 		Overall Length L
(mm)

MYR 65.47

1 Piece(s)Available 2 Day(s) 108116

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  1. 1
 

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

Please check the type/dimensions/specifications of the part BFLB8-6 in the Oil Free Bushings - High Precision series.

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Specification/Dimensions

  • type

    • BFLB

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  • Inner Dia. d(Ø)

    • 4
    • 5
    • 6
    • 8
    • 10
    • 12
    • 16

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  • Outer Dia. D(Ø)

    • 7
    • 8
    • 9
    • 11
    • 13
    • 15
    • 19

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  • Overall Length L(mm)

    • 5
    • 6
    • 8
    • 10
    • 12
    • 15
    • 20
    • 25

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  • CAD

    • 2D
    • 3D

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Days to Ship

    • All
    • 1 Day(s) or Less
    • 2 Day(s) or Less
    • 4 Day(s) or Less
    • 6 Day(s) or Less

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Specify Alterations

Products like this...

Part Number
BFLB10-12
BFLB10-15
BFLB10-20
BFLB10-6
BFLB10-8
BFLB8-8
Part NumberStandard Unit PriceMinimum order quantityVolume DiscountDays to ShipRoHSInner Dia. d
(Ø) 		Outer Dia. D
(Ø) 		Overall Length L
(mm)

MYR 72.74

1 Piece(s)Available 6 Day(s) 10101312

MYR 72.74

1 Piece(s)Available 4 Day(s) or more 10101315

MYR 93.35

1 Piece(s)Available 6 Day(s) 10101320

MYR 65.47

1 Piece(s)Available 2 Day(s) 1010136

MYR 66.10

1 Piece(s)Available 4 Day(s) or more 1010138

MYR 65.47

1 Piece(s)Available 1 Day(s) 108118

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