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Compact Flanged Ball Bushings

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MISUMI

MiSUMi Economy

MISUMI

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Specifications
More Information

Product Overview

Linear ball bushings come with the function of performing linear and rotational composite movements, which can achieve significant miniaturization compared to the traditional method of combining linear bearings and rotating bearings.

Product Features

Ball-type rolling bearings are used to provide linear motion and rotary motion. Due to the point contact between the ball and the rolling surface, low friction rolling motion can be performed.

Feature 1: Effective utilization of space. The combination of the guide shaft and the linear bushing enables effective use of space, suitable for small mechanism designs.
Feature 2: Good interchangeability. Linear bushings have good interchangeability because they can be used with shafts randomly.
Feature 3: Appropriate specifications can be selected according to the conditions of use.
Feature 4: More cost effective than the linear guide.

Dimensional Drawing

Case			Ball	Retainer	Ambient Operating Temp
Material	Hardness	Surface Treatment	Material	Material
Equivalent to SUJ2	58HRC～	Electroless Nickel Plating	Equivalent to SUJ2	6063T5	-20~110℃

*dr6~30: D+6 dr35~50: D+8

Specification Table

Part Number				Max. Stroke		Rows of balls		D		L		R₁		H	T	d	d₁	t	F	A	Eccentricity	Perpendicularity
Type	dr	Tolerance	Length	Single	Double	Single	Double		Tolerance Range		Tolerance Range	Single	Double
E-LBBH	6	0 -0.009	Not Specified (Single Type) L (Double Type)	20	7.2	3	6	12	0 -0.019	19	±0.2	6.2	12.4	28	5	3.5	6	3.1	－	20	0.015	0.015
	8			24	8.5			15		24		8	16	32					－	24
	10			33	14			19	0 -0.022	29		9	18	40	6	4.5	7.5	4.1	－	29
	12			34	17			21		30		10	20	42					－	32
	13			36				23		32				48					－	33
	16			40	18	4	8	28		37		13	26						22	31
	20	0 -0.010		47	22			32		42		14	28	54	8	5.5	9	5.1	24	36
	25			50				37		45		15	30	60					29	37	0.018	0.018
	30			85	47	3	6	45		64		18	36	74	10	6.6	11	6.1	35	49
	35	0 -0.012		90	55			52	0 -0.03	70	±0.3	20	40	82					38	55
	40			110	69			60		80				96	13	9	14	8.1	45	64
	45							65				24	48	102					49	68
	50			140	89			72		100				110					54	74

Unlike linear bushings, a non-circulating ball mechanism is used, so the stroke is limited. Please be sure to use it within the maximum stroke.

Part Number

CAD Data download and 3D preview are not available because the part number has not yet been determined.

*In order to open the CAD Data download and 3D preview screen, the part number must be fixed.
Please confirm the part number from "Specification / Dimension"on the left side, and then perform the CAD Data Download / 3D Preview operation.

CAD Download

: 30; 45; 60

Part Number
E-LBBH6L
E-LBBH8L
E-LBBH10L
E-LBBH12L
E-LBBH13L
E-LBBH16L
E-LBBH20L
E-LBBH25L
E-LBBH30L
E-LBBH35L
E-LBBH40L
E-LBBH45L
E-LBBH50L

Standard Unit Price	Minimum order quantity	Volume Discount	Days to Ship	Inscribed Circle Dia. dr (Ø)	Overall Length L (mm)	Outer Dia. D (Ø)	Ball Recirculating Type	Length
SGD 12.10	1 Piece(s)	Available	5 Day(s)	6	19	12	Double	Double
SGD 12.10	1 Piece(s)	Available	5 Day(s)	8	24	15	Double	Double
SGD 12.90	1 Piece(s)	Available	5 Day(s)	10	29	19	Double	Double
SGD 13.30	1 Piece(s)	Available	5 Day(s)	12	30	21	Double	Double
SGD 14.10	1 Piece(s)	Available	5 Day(s)	13	32	23	Double	Double
SGD 16.10	1 Piece(s)	Available	5 Day(s)	16	37	28	Double	Double
SGD 17.30	1 Piece(s)	Available	5 Day(s)	20	42	32	Double	Double
SGD 32.40	1 Piece(s)	Available	5 Day(s)	25	59	40	Double	Double
SGD 48.90	1 Piece(s)	Available	5 Day(s)	30	64	45	Double	Double
SGD 70.20	1 Piece(s)	Available	5 Day(s)	35	70	52	Double	Double
SGD 84.30	1 Piece(s)	Available	5 Day(s)	40	80	60	Double	Double
SGD 104.90	1 Piece(s)	Available	5 Day(s)	45	80	65	Double	Double
SGD 126.30	1 Piece(s)	Available	5 Day(s)	50	100	72	Double	Double

Dimensional Drawing

*dr6~30: D+6 dr35~50: D+8

Specification Table

Part Number				Max. Stroke		Rows of balls		D		L		R₁		H	T	d	d₁	t	F	A	Eccentricity	Perpendicularity
Type	dr	Tolerance	Length	Single	Double	Single	Double		Tolerance Range		Tolerance Range	Single	Double
E-LBBH	6	0 -0.009	Not Specified (Single Type) L (Double Type)	20	7.2	3	6	12	0 -0.019	19	±0.2	6.2	12.4	28	5	3.5	6	3.1	－	20	0.015	0.015
	8			24	8.5			15		24		8	16	32					－	24
	10			33	14			19	0 -0.022	29		9	18	40	6	4.5	7.5	4.1	－	29
	12			34	17			21		30		10	20	42					－	32
	13			36				23		32				48					－	33
	16			40	18	4	8	28		37		13	26						22	31
	20	0 -0.010		47	22			32		42		14	28	54	8	5.5	9	5.1	24	36
	25			50				37		45		15	30	60					29	37	0.018	0.018
	30			85	47	3	6	45		64		18	36	74	10	6.6	11	6.1	35	49
	35	0 -0.012		90	55			52	0 -0.03	70	±0.3	20	40	82					38	55
	40			110	69			60		80				96	13	9	14	8.1	45	64
	45							65				24	48	102					49	68
	50			140	89			72		100				110					54	74

Unlike linear bushings, a non-circulating ball mechanism is used, so the stroke is limited. Please be sure to use it within the maximum stroke.

	Basic Load Rating
	C (Dynamic) N		Co (Static) N
dr	Single	Double	Single	Double
6	232	380	160	320
8	358	590	262	520
10	656	1140	490	1030
12	1120	1810	850	1720
13	1180	1830	880	1750
16	1590	2230	1660	2360
20	1640	2310	1730	2520
25	1710	2420	1360	2780
30	3120	4920	3220	6710
35	3260	5180	3610	7200
40	4380	6930	4960	9810
45	4420	7060	5120	9960
50	5810	9210	7130	14300

Material Specification

Case			Ball	Retainer	Ambient Operating Temp
Material	Hardness	Surface Treatment	Material	Material
Equivalent to SUJ2	58HRC～	Electroless Nickel Plating	Equivalent to SUJ2	6063T5	-20~110℃

Precautions

■ Regular maintenance:
① Before use, please apply grease to the ball row inside the linear bushing, and then replenish it in due course. Grease forms an oil film on the surfaces of steel ball and rolling surface (guide shaft·bushing) of linear bushing, which effectively reduces friction and prevents sintering. Grease reduction and aging will greatly affect the life of linear bushing.
② Recommended grease: lithium soap grease. Click

Grease
for details. ③ Recommended grease filling interval: Usually every 6 months.
④When the moving distance is long, it is recommended to move once every three months or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.
⑤ When the linear bushing is subjected to large moment load (eccentric load), one piece of single type is not applicable, so it is recommended to use one piece of double type or multiple pieces of single type.

■ Dust prevention measures:
If dust or foreign matter enters the inside of the linear bushing, it may damage the circulation of steel balls, resulting in unexpected failures. When used in harsh environment, please install dust cover and protection cover, etc.

■ MISUMI linear bushing is recommended to be installed on the holder with H7 tolerance. The linear bushing is in clearance fit with the housing.

■Unlike linear bushings, a non-circulating ball mechanism is used, so the stroke is limited. Please be sure to use it within the maximum stroke.

■For preloaded use, it is recommended to use a MISUMI quenched guide shaft with an outer diameter tolerance of h5.

■ MISUMI linear bushing is recommended to be combined with guide shaft with quenching g6 tolerance.

Basic Information

Type	Flange	Flange Type	Standard Flange	Outer Cylinder Material	SUJ2 Equivalent
Outer Cylinder Surface Treatment	Electroless nickel plating	Lubrication Type	Not Provided	Motion	Linear/Rotary
Types	Standard Flange	Flange Shape	Compact flanged	Ball Material	SUJ2 Equivalent
Retainer Material	6063T5	Seal	Have

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13 Part Numbers

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Specification/Dimensions

Inscribed Circle Dia. dr(Ø)
6

8

10

12

13

16

20

25

30

35

40

45

50
Clear
Overall Length L(mm)
19

24

29

30

32

37

42

59

64

70

80

100
Clear
Outer Dia. D(Ø)
12

15

19

21

23

28

32

40

45

52

60

65

72
Clear
Length
- Single
- Double
Clear
type
- E-LBBH
- E-LBBH-L
Clear
Ball Recirculating Type
- Single
- Double
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

5 Day(s) or Less
Clear

Specify Alterations

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

Frequently asked question (FAQ)

Question: How to carry out regular maintenance for the product?: Answer: MISUMI recommends that linear bearing is regularly replenished with grease, and it is recommended to do so once every six months. When the moving distance is long, it is recommended to move once every three months or when the moving distance exceeds 1000km within the time limit, the 1000km shall prevail.
Question: Comparison of antirust ability of linear bearings?: Answer: Antirust ability from strong to weak: Low Temp. Black Chrome Plating → No-Electro Nickel Plated → No Surface Treatment.
Standard grade bearing steel is easy to rust, so it is necessary to apply anti-rust oil regularly.

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Compact Flanged Ball Bushings

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Economy series Linear Bushing Box-Type Blocks, Wide Square, Single, Medium		Economy series Linear Bushing Box-Type Blocks, Wide Double, Medium Long, Long		Linear Bushings Straight Single / Double