Bearing housings / flange selectable / counterbore, internal thread / deep groove ball bearing / material selectable / coating selectable (BGCNB6704ZZ)

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MISUMI

Product Details:

Manufacturer part number: BGCNB6704ZZ

Brand: MISUMI

Price: 39.45 €

Delivery time: 10 Days

Technical Data:

Bearing I.D. d: 20 mm

Bearing Material: [Steel] Steel

Holder Material: EN 1.1191 Equiv.

Flange Shape: Compact Type

Thickness T: 7.5 mm

Order quantities extended (D-JIT)

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BGCNB6704ZZ

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Technical Information

Back to the Category Bearings with Housing

Technical Drawing - Bearings with Housing

Available dimensions and tolerances can be found under the tab More information.

Basic Properties (e.g., material, hardness, coating, tolerance) - Bearings with Housing

Type			Material		Surface Treatment
Round	Square	Compact	Bearing	Housing	Housing
BGRNB	BGSNB	BGCNB	Steel	EN 1.1191 Equiv.	Black Oxide
BGRN	BGSN	BGCN		EN 1.1191 Equiv.	Electroless Nickel Plating
BARN	BASN	BACN		Aluminum Alloy 2000 series	Clear Anodize
SBARN	-	SBACN	* Stainless Steel	Aluminum Alloy 2000 series	Clear Anodize
SBGRN	SBGSN	SBGCN	* Stainless Steel	EN 1.4301 Equiv.	-

* Bearings with Rubber Seals (VV and DD) are all made of steel.

Further specifications can be found under the tab More information.
Information about tolerances can be found under ball bearing table / tolerances as PDF

Composition of a Product Code - Bearings with Housing

Part Number

Type	Bearing	Seal
BGCN BGSN	6000 6203	ZZ DD

Note: the bearing number used is included in the bearing housing part number.

General Information - Bearings with Housing

Bearing housing assortment - flange bearing - pedestal bearing T-shape - pedestal bearing L-shape - flange bearing housing - bearing housing straight - bearing with housing

Bearings with Housing/Bearing Housings/Bearing Units Selection Details

- Housing material: aluminum, steel, stainless steel

- Coatings: uncoated, burnished, anodized, nickel-plated

- Ball bearing material: steel, stainless steel

- ISO tolerances: Ball bearing table/tolerances available as PDF

- bearing housing types: round flange, square flange, compact flange, guide flange, T-shape, L-shape, block shape

- Ball bearing types: deep groove ball bearings, angular ball bearings

- Inner diameter: from 3 mm to 50 mm

The variety of bearing housings can be found in the Overview of the Types of Pedestal Bearings available as a PDF.

The different designs of the flange bearings can be found in the Overview of the Types of Flange Bearing Housing available as PDF.

Description/Basics

Bearing housings are highly robust and allow for easy and quick assembly. They are used to accommodate rotating machine elements in mechanical engineering. The housing bearings are generally provided for receiving rotary shafts or torsional shafts. Bearing housing types include pedestal bearings, flange bearings, tension bearings, and pillow blocks. They can be fitted with simple ball bearings. However, there are bearing housings in which angular contact ball bearings are installed that can also absorb axial forces. Housing bearings are available with single-row, double-row and three-row deep-groove ball bearings or angular contact ball bearings. The different designs of the bearing housings can be used horizontally or vertically. For horizontal mounting, MISUMI offers bearing housings as a vertical pedestal bearing in L- and T-shape, as well as a square bearing block. Flange bearing housings, also called flange bearings, are often used for vertical mounting. A bearing unit from MISUMI, whether a pedestal bearing or a flange bearing, is available in double or triple bearings (with rolling bearings) to absorb any lever forces.
The ball bearings are secured in the bearing housings with retaining rings or bearing covers. The bearing can thus be replaced as needed.

Two-row and multi-row bearing housings

Multi-row bearing housings are well-suited for applications subjected to lever forces. They can contribute to increased rotational stability as a flange bearing housing or a pedestal bearing housing.
The flange bearing with angular ball bearing and screwed bearing cover can be used as a fixed bearing. In this case, a floating bearing is recommended in the assembly group.
The combination of fixed and floating bearings can ensure length compensation. This prevents an undesirable compression of a shaft or a threaded drive. A compression can create an imbalance and thus vibrations in an application and lead to inaccuracy

Example of double row flange bearing - three row flange bearing - flange bearing housing with grooved ball bearing - flange bearing housing with angular ball bearing - bearing with housing

Example – multi-row bearing housing – (1) deep groove ball bearing, (2) flange bearing housing, (3) bearing cover, (4) bearing cover screw, (5) angular ball bearing, (6) spacer sleeve, (7) spacer sleeve for inner ring

Ball bearing seals for bearing housings

ZZ (2Z): double encapsulated
VV (2RZ): contactless rubber seal
DD (2RS): contact rubber seal (slightly increased friction)

Areas of Application

MISUMI’s bearing housings, flange bearings and pedestal bearings can be used in almost all applications. Bearing housings are often used as flange bearings or pedestal bearings for the bearing of ball screws and rotary shafts. In addition, they are often found in conveyor belts, or in the bearings of shafts in timing belts, as well as chain transmission. As a fixed and floating bearing, the bearing units can withstand high loads and speeds of rotation. In addition, the encapsulated or sealed bearings are protected from external influences.

Materials

Bearing unit housings are available in steel, stainless steel, and aluminum. Due to the alterations of selecting the ball bearings, a pedestal bearing housing or flange bearing housing can consist of various types of materials. The bearing housings are optionally installed with steel or stainless steel ball bearings. In addition, a bearing housing that can be used as a fixed bearing can additionally be provided on the bearing housing with a rubber seal.

Coatings

MISUMI’s pedestal bearings and flange bearings made of steel can be optionally burnished, painted, chemically nickel-plated. The aluminum bearing housings can be anodized to provide the best possible protection against corrosion depending on the need or the environmental conditions.

Dimensions

Types of pedestal bearings

Shape	Mounting method	Features
T-shape (extruded)		- economically extruded housing - up to 30% less expensive than milled housings - higher security thanks to rounded corners
T-shape		- stable despite its narrow design - available for high positioning accuracy with groove - optionally with lubricant for low particle formation
L-shape		- Low width
Block shape (internal thread)		- Fastened from underneath through the internal thread - Compact design for limited installation space
Block shape		- Low assembly height
Straight		- Fastening from the front - Compact design for limited installation space - Offset design with height accuracy +/- 0.02 mm

Table – Application of pedestal bearings

Flange bearing designs

Ball bearing	Design	utilisation
Easy		- Can be used at several shaft positions - Space-saving version available with small diameter
Easy	With centering collar	- Often used to secure multiple locations - The centering collar can be used for positioning
Double		- Suitable for heavy loads - Additional support of the shaft - Length freely selectable
Double	With centering collar	- Suitable for heavy loads - The centering collar can be used for positioning - Length freely selectable

Table – Flange Bearing Application

Instructions for Use / Installation Information - Bearings with Housing

Installation Information

When assembling bearing housings, care must be taken to ensure that they are installed without tension to prevent vibration, noise and damage. The holes or threads on the mounting surface should therefore be positioned as accurately as possible to prevent stresses on the shaft or spindle. In addition, dowel pins in the base plate can be a helpful option. Also, when installing the bearing housings, make sure that the contact surfaces are clean.
In addition, MISUMI offers special types of bearing housings, which have a positioning groove on the underside to predetermine a precise alignment.

Bearing housing assembly with dowel pin - bearing housing assembly with keyway - pedestal bearing positioning - pedestal bearing housing assembly

Application example – pedestal bearing mounting with dowel pin, pedestal bearing mounting with keyway, (1) dowel pin

The alteration [NA] allows for the bearing housings and ball bearings not to be delivered pre-assembled. This can significantly simplify assembly depending on the assembly procedure.
In some variants with angular contact bearings, the bearings must be greased during assembly.

Flange bearing housing with female thread

MISUMI offers another special form with the flange bearing with female thread. This flange bearing has the advantage that it can be mounted from the front and the rear. This flange bearing housing provides high mounting flexibility and the ability to standardize and reduce the variety of bearing housings.

Female threaded bearing housing - flange-type female threaded bearing housing - flange-type and female threaded bearing

Application example – (1) Flange bearing housing assembly with female thread, (2) flange bearing housing mounting with counterbore

Bearing housing for axial load

If high axial forces occur, MISUMI offers a special form of flange bearings in the combination of needle bearings for radial forces and axial ball bearings for axial forces.

Flange bearing housing with axial ball bearings - flange bearings with needle bearings and axial bearing - flange bearing

Application example – (1) bearing housing with needle bearing and BGCT axial ball bearing, (F) load direction

Maintenance

For bearing housings, the installed bearing can be replaced after the service life has been reached. If the bearings are pressed into the bearing housing, it is recommended to replace the bearing together with the housing. The bearing number installed in the MISUMI bearing housing is discernible from the article number of the bearing unit.
Further information about the various application of bearings can be found under the tab More Information.
Note : After determining the bearing number, you can enter it in the search window to determine the load values and specifications of the bearing for the calculation.

Application examples

Application example - flange bearing housing with angular ball bearing - flange bearing with three ball bearings - fixed bearing - bearing with housing

Application example of a flange bearing housing
(1) Collar, (2) Bearing lock nut, (3) Deep groove ball bearing, (4) Housing, (5) Rotary shaft, (6) O-ring, (7) Angular ball bearing, (8) Collar

Application example - pedestal bearing housing with conveyor belt - pedestal bearing for conveyor belt - bearing with housing

Application example of a pedestal bearing with conveyor belt
(1) Pedestal bearing, (2) Rotary shaft, (3) Conveyor belt, (4) Idler for flat belts, (5) Collar

Application example - bearing housing front mount - bearing housing straight - bearing housing with cross hole - bearing with housing

Application example of a bearing housing
(1) Bearing housing, (2) Metal washer, (3) Screw, (4) Mounting plate, (5) Nut

Application example - Flange bearing housing with clamping ring - Flange bearing with adjusting ring - Flange bearing - Flange bearing with two ball bearings

Application example of a flange bearing housing with clamping ring
(1) Flange bearing, (2) Clamping ring

Supplementary Article

Rotary shafts

Drive shafts

Bearing Lock Nuts

Washers / Collars (Metal)

Screws

Industrial Applications

3D printer industry

Automotive industry

Pharmaceutical industry

Packaging industry

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Part Number
BGCNB6704ZZ

Part Number	Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Bearing I.D. d (mm)	Bearing Material	Holder Material	Flange Shape	Thickness T (mm)	Holder Surface Treatment	Bearing Part Number	Seals	Flange Outer Dia. H (Ø)
	39.45 €	1	Available	10 Days	10	20	[Steel] Steel	EN 1.1191 Equiv.	Compact Type	7.5	Black Oxide	6704	ZZ (Double Shield)	51

Back to the Category Bearings with Housing

Technical Drawing - Bearings with Housing

Specification Tables - Bearings with Housing

Part Number			d	D_H7		B	H	W	T	dh	P.C.D.	K	A	F	M (Coarse)(d₂)	d₁	H₁
Type	Bearing No.	Seal	d	D_H7	Tolerance	B	H	W	T	dh	P.C.D.	K	A	F	M (Coarse)(d₂)	d₁	H₁
(Round) BGRNB BGRN BARN SBARN SBGRN (Square) BGSNB BGSN BASN SBGSN (Compact) BGCNB BGCN BACN SBACN SBGCN	623	ZZ Double Shielded 1 2VV Non-Contact Sealed Rubber Seal *2DD Contact Sealed Rubber Seal	3	10	+ 0.015 0	4	33	16	6	7	24	27	24	-	M4 (3.3)	6.5	3.4
	624		4	13	+ 0.018 0	5	35	18	7	9	26	28	26		M4 (3.3)	6.5	3.4
	605		5	14		5	36	20	7	10	26	30	26		M5 (4.3)	8	4.4
	625		5	16		5	38	22	7	12	28	31	28
	606		6	17		6	39	23	8	13	29	32	29
	626		6	19	+ 0.021 0	6	41	25	8	15	31	34	31
	678		8	12	+ 0.018 0	3.5	34	18	6	10	25	27	25		M4(3.3)	6.5	3.4
	698			19	+ 0.021 0	6	41	25	8	15	31	34	31		M5 (4.3)	8	4.4
	608			22		7	45	29	9	18	35	36	35
	628			24		8	47	32	10	20	37	37	37
	6700		10	15	+ 0.018 0	4	37	22	7.5	12	27	30	27
	6800			19	+ 0.021 0	5	41	25	7.5	15	31	34	31
	6900			22		6	45	29	8	19	35	36	35
	6000			26		8	50	34	10	22	40	39	40
	6200			30		9	54	38	11	24	44	42	44
	6701		12	18	+ 0.018 0	4	40	25	7.5	15	30	31	30
	6801			21	+ 0.021 0	5	44	29	7.5	17	34	35	34
	6901			24		6	48	31	8	21	38	38	38
	6001			28		8	52	36	10	24	42	40	42
	6201			32	+ 0.025 0	10	56	40	12	26	46	43	46
	6702		15	21	+ 0.021 0	4	44	29	7.5	18	34	35	34
	6802			24		5	47	32	7.5	20	37	37	37
	6902			28		7	57	37	9	25	45	45	45		M6 (5.2)	9.5	5.4
	6002			32	+ 0.025 0	9	60	40	11	28	48	46	48
	6202			35	+ 0.025 0	11	64	44	13	29	52	49	52
	6803		17	26	+ 0.021 0	5	50	34	7.5	22	40	39	40		M5 (4.3)	8	4.4
	6903			30	+ 0.021 0	7	60	38	9	27	48	46	48		M6 (5.2)	9.5	5.4
	6003			35	+ 0.025 0	10	66	44	12	31	54	50	54
	6203			40	+ 0.025 0	12	72	50	14	34	60	54	60
	6704		20	27	+ 0.021 0	4	51	35	7.5	23	41	39	32	25	M5 (4.3)	8	4.4
	6804			32	+ 0.025 0	7	60	40	9	28	48	46	38	29	M6 (5.2)	9.5	5.4
	6904			37		9	69	47	11	34	56	54	51	24	M8 (6.8)	11	6.5
	6004			42		12	77	54	14	36	64	59	56	32
	6204			47		14	81	58	16	40	68	62	59	34
	6805		25	37		7	69	47	11	34	56	54	51	24
	6905			42		9	77	54	11	36	64	59	56	32
	6005			47		12	88	58	14	41	72	67	63	36	M10 (8.5)	14	8.6
	6205			52	+ 0.030 0	15	94	64	17	45	78	72	68	39	M10 (8.5)	14	8.6
	6806		30	42	+ 0.025 0	7	77	54	11	36	64	59	56	32	M8 (6.8)	11	6.5
	6906			47	+ 0.025 0	9	88	58	13	41	72	67	63	36	M10 (8.5)	14	8.6
	6006			55	+ 0.030 0	13	96	66	15	48	80	73	70	40
	6206			62		16	104	74	18	55	88	79	77	44
	6007		35	62		14	104	74	16	55	88	79	75	44
	6207		35	72		17	126	88	21	64	105	95	92	51	M12 (10.5)	17.5	11
	6008		40	68		15	114	82	17	60	96	86	80	54	M10 (8.5)	14	8.6
	6208		40	80		18	134	96	22	74	113	102	98	56	M12 (10.5)	17.5	11
	6010	ZZ Double Shielded	50	80		16	134	96	20	74	113	-	98	56
	6210	ZZ Double Shielded	50	90	+ 0.035 0	20	147	110	24	83	126	-	104	72

Check for available sizes in the price list.
*1 No. 623, 624, 605, 606 and numbers starting with 67 are not available for VV (Non-contact Sealed).
*2 Bearings with Rubber Seals are all made of steel.

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Basic information

Shape	Flange Type	Bearing Used	Deep Groove Ball Bearings	Number of Bearings	Single
Retaining Ring	Not Provided	Type	Bearings with Housings

This page is Bearing housings / flange selectable / counterbore, internal thread / deep groove ball bearing / material selectable / coating selectable, part number BGCNB6704ZZ.
You can find the detail information about specifications and dimensions on part number BGCNB6704ZZ.

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Basic Attributes

Type
- BACN
- BARN
- BASN
- BGCN
- BGCNB
- BGRN
- BGRNB
- BGSN
- BGSNB
- SBACN
- SBARN
- SBGCN
- SBGRN
- SBGSN
Clear
Bearing I.D. d(mm)
3

4

5

6

8

10

12

15

17

20

25

30

35

40

50
Clear
Bearing Material
- Steel
  - Steel
- Stainless Steel
Clear
Holder Material
- EN 1.1191 Equiv.
- EN 1.4301 Equiv.
- EN AW-2017 Equiv.
  - Aluminum Alloy 2000 series
Clear
Flange Shape
- Round Type
- Square Type
- Compact Type
Clear
Thickness T(mm)
6

7

7.5

8

9

10

11

12

13

14

15

16

17

18

20

21

22

24
Clear
Holder Surface Treatment
- Black Oxide
- Electroless Nickel Plating
- Clear Anodize
- Not Provided
Clear
Bearing Part Number
605

606

608

623

624

625

626

628

678

698

6000

6001

6002

6003

6004

6005

6006

6007

6008

6010

6200

6201

6202

6203

6204

6205

6206

6207

6208

6210

6700

6701

6702

6704

6800

6801

6802

6803

6804

6805

6806

6900

6901

6902

6903

6904

6905

6906
Clear
Seals
- DD (Contact Rubber Seal)
- VV (Non-Contact Rubber Seal)
- ZZ (Double Shield)
Clear
Flange Outer Dia. H(Ø)
33

34

35

36

37

38

39

40

41

44

45

47

48

50

51

52

54

56

57

60

64

66

69

72

77

81

88

94

96

104

114

126

134

147
Clear
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Optional Attributes

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

Variation of this product

Part Number
BACN6701ZZ
BACN6702DD
BACN6702ZZ
BGCNB678DD
BGCNB678ZZ
BGCNB6800DD

Standard Unit Price	Minimum order quantity	Volume Discount	Standard Shipping Days ?	RoHS	Bearing I.D. d (mm)	Bearing Material	Holder Material	Flange Shape	Thickness T (mm)	Holder Surface Treatment	Bearing Part Number	Seals	Flange Outer Dia. H (Ø)
38.26 €	1	Available	10 Days	10	12	[Steel] Steel	[EN AW-2017 Equiv.] Aluminum Alloy 2000 series	Compact Type	7.5	Clear Anodize	6701	ZZ (Double Shield)	40
47.65 €	1	Available	10 Days	10	15	[Steel] Steel	[EN AW-2017 Equiv.] Aluminum Alloy 2000 series	Compact Type	7.5	Clear Anodize	6702	DD (Contact Rubber Seal)	44
43.38 €	1	Available	10 Days	10	15	[Steel] Steel	[EN AW-2017 Equiv.] Aluminum Alloy 2000 series	Compact Type	7.5	Clear Anodize	6702	ZZ (Double Shield)	44
28.18 €	1	Available	10 Days	10	8	[Steel] Steel	EN 1.1191 Equiv.	Compact Type	6	Black Oxide	678	DD (Contact Rubber Seal)	34
25.63 €	1	Available	10 Days	10	8	[Steel] Steel	EN 1.1191 Equiv.	Compact Type	6	Black Oxide	678	ZZ (Double Shield)	34
32.62 €	1	Available	10 Days	10	10	[Steel] Steel	EN 1.1191 Equiv.	Compact Type	7.5	Black Oxide	6800	DD (Contact Rubber Seal)	41