Bearing housings / block shape / counterbore / double deep groove ball bearing / steel / black oxided, nickel-plated

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MISUMI

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Back to the Category Bearings with Housing

Technical Drawing - Bearings with Housing

Block/Double Bearings/Unretained:Related Image

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
	Bearing	Housing	Housing
BGTWB	Steel	EN 1.1191 Equiv.	Black Oxide
BGTW			Electroless Nickel Plating

* 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			-	T	-	h

Type	Bearing	Seal
BGTW BGTWB	6201 6000	VV DD	- -	30 25	- -	20 20

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

Alterations - Bearings with Housing

Block/Double Bearings/Unretained:Related Image

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
BGTW6000DD-[25,40]-[20,25]
BGTW6000VV-[25,40]-[20,25]
BGTW6000ZZ-[25,40]-[20,25]
BGTW6001DD-[25,40]-[20,25]
BGTW6001VV-[25,40]-[20,25]
BGTW6001ZZ-[25,40]-[20,25]
BGTW6002DD-[30,50]-[20,25]
BGTW6002VV-[30,50]-[20,25]
BGTW6002ZZ-[30,50]-[20,25]
BGTW6003DD-[30,50]-[25,30]
BGTW6003VV-[30,50]-[25,30]
BGTW6003ZZ-[30,50]-[25,30]
BGTW6004DD-[40,50]-[25,30]
BGTW6004VV-[40,50]-[25,30]
BGTW6004ZZ-[40,50]-[25,30]
BGTW608DD-[25,35]-[15,20]
BGTW608VV-[25,35]-[15,20]
BGTW608ZZ-[25,35]-[15,20]
BGTW6200DD-[30,40]-[20,25]
BGTW6200VV-[30,40]-[20,25]
BGTW6200ZZ-[30,40]-[20,25]
BGTW6201DD-[30,40]-[20,25]
BGTW6201VV-[30,40]-[20,25]
BGTW6201ZZ-[30,40]-[20,25]
BGTW6202DD-[35,50]-[25,30]
BGTW6202VV-[35,50]-[25,30]
BGTW6202ZZ-[35,50]-[25,30]
BGTW6203DD-[35,50]-[25,30]
BGTW6203VV-[35,50]-[25,30]
BGTW6203ZZ-[35,50]-[25,30]
BGTW6204DD-[45,50]-[30,35]
BGTW6204VV-[45,50]-[30,35]
BGTW6204ZZ-[45,50]-[30,35]
BGTW628DD-[25,35]-[15,20]
BGTW628VV-[25,35]-[15,20]
BGTW628ZZ-[25,35]-[15,20]
BGTW6900DD-[25,40]-[20,25]
BGTW6900VV-[25,40]-[20,25]
BGTW6900ZZ-[25,40]-[20,25]
BGTW6901DD-[25,40]-[20,25]
BGTW6901VV-[25,40]-[20,25]
BGTW6901ZZ-[25,40]-[20,25]
BGTW6902DD-[25,50]-[20,25]
BGTW6902VV-[25,50]-[20,25]
BGTW6902ZZ-[25,50]-[20,25]
BGTW6903DD-[25,50]-[20,25]
BGTW6903VV-[25,50]-[20,25]
BGTW6903ZZ-[25,50]-[20,25]
BGTW6904DD-[35,50]-[25,30]
BGTW6904VV-[35,50]-[25,30]
BGTW6904ZZ-[35,50]-[25,30]

Minimum order quantity	Standard Shipping Days ?	RoHS	Bearing I.D. d (mm)	Thickness T (mm)	Holder Surface Treatment	Height h (mm)	Bearing Part Number	Seals	Holder Width L (mm)
1	7 Days	10	10	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6000	DD (Contact Rubber Seal)	58
1	7 Days	10	10	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6000	VV (Non-Contact Rubber Seal)	58
1	7 Days	10	10	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6000	ZZ (Double Shield)	58
1	7 Days	10	12	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6001	DD (Contact Rubber Seal)	60
1	7 Days	10	12	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6001	VV (Non-Contact Rubber Seal)	60
1	7 Days	10	12	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6001	ZZ (Double Shield)	60
1	7 Days	10	15	30 ～ 50	Electroless Nickel Plating	20 ～ 25	6002	DD (Contact Rubber Seal)	68
1	7 Days	10	15	30 ～ 50	Electroless Nickel Plating	20 ～ 25	6002	VV (Non-Contact Rubber Seal)	68
1	7 Days	10	15	30 ～ 50	Electroless Nickel Plating	20 ～ 25	6002	ZZ (Double Shield)	68
1	7 Days	10	17	30 ～ 50	Electroless Nickel Plating	25 ～ 30	6003	DD (Contact Rubber Seal)	70
1	7 Days	10	17	30 ～ 50	Electroless Nickel Plating	25 ～ 30	6003	VV (Non-Contact Rubber Seal)	70
1	7 Days	10	17	30 ～ 50	Electroless Nickel Plating	25 ～ 30	6003	ZZ (Double Shield)	70
1	7 Days	10	20	40 ～ 50	Electroless Nickel Plating	25 ～ 30	6004	DD (Contact Rubber Seal)	82
1	7 Days	10	20	40 ～ 50	Electroless Nickel Plating	25 ～ 30	6004	VV (Non-Contact Rubber Seal)	82
1	7 Days	10	20	40 ～ 50	Electroless Nickel Plating	25 ～ 30	6004	ZZ (Double Shield)	82
1	7 Days	10	8	25 ～ 35	Electroless Nickel Plating	15 ～ 20	608	DD (Contact Rubber Seal)	53
1	7 Days	10	8	25 ～ 35	Electroless Nickel Plating	15 ～ 20	608	VV (Non-Contact Rubber Seal)	53
1	7 Days	10	8	25 ～ 35	Electroless Nickel Plating	15 ～ 20	608	ZZ (Double Shield)	53
1	7 Days	10	10	30 ～ 40	Electroless Nickel Plating	20 ～ 25	6200	DD (Contact Rubber Seal)	62
1	7 Days	10	10	30 ～ 40	Electroless Nickel Plating	20 ～ 25	6200	VV (Non-Contact Rubber Seal)	62
1	7 Days	10	10	30 ～ 40	Electroless Nickel Plating	20 ～ 25	6200	ZZ (Double Shield)	62
1	7 Days	10	12	30 ～ 40	Electroless Nickel Plating	20 ～ 25	6201	DD (Contact Rubber Seal)	64
1	7 Days	10	12	30 ～ 40	Electroless Nickel Plating	20 ～ 25	6201	VV (Non-Contact Rubber Seal)	64
1	7 Days	10	12	30 ～ 40	Electroless Nickel Plating	20 ～ 25	6201	ZZ (Double Shield)	64
1	7 Days	10	15	35 ～ 50	Electroless Nickel Plating	25 ～ 30	6202	DD (Contact Rubber Seal)	72
1	7 Days	10	15	35 ～ 50	Electroless Nickel Plating	25 ～ 30	6202	VV (Non-Contact Rubber Seal)	72
1	7 Days	10	15	35 ～ 50	Electroless Nickel Plating	25 ～ 30	6202	ZZ (Double Shield)	72
1	7 Days	10	17	35 ～ 50	Electroless Nickel Plating	25 ～ 30	6203	DD (Contact Rubber Seal)	76
1	7 Days	10	17	35 ～ 50	Electroless Nickel Plating	25 ～ 30	6203	VV (Non-Contact Rubber Seal)	76
1	7 Days	10	17	35 ～ 50	Electroless Nickel Plating	25 ～ 30	6203	ZZ (Double Shield)	76
1	7 Days	10	20	45 ～ 50	Electroless Nickel Plating	30 ～ 35	6204	DD (Contact Rubber Seal)	88
1	7 Days	10	20	45 ～ 50	Electroless Nickel Plating	30 ～ 35	6204	VV (Non-Contact Rubber Seal)	88
1	7 Days	10	20	45 ～ 50	Electroless Nickel Plating	30 ～ 35	6204	ZZ (Double Shield)	88
1	7 Days	10	8	25 ～ 35	Electroless Nickel Plating	15 ～ 20	628	DD (Contact Rubber Seal)	56
1	7 Days	10	8	25 ～ 35	Electroless Nickel Plating	15 ～ 20	628	VV (Non-Contact Rubber Seal)	56
1	7 Days	10	8	25 ～ 35	Electroless Nickel Plating	15 ～ 20	628	ZZ (Double Shield)	56
1	7 Days	10	10	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6900	DD (Contact Rubber Seal)	53
1	7 Days	10	10	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6900	VV (Non-Contact Rubber Seal)	53
1	7 Days	10	10	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6900	ZZ (Double Shield)	53
1	7 Days	10	12	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6901	DD (Contact Rubber Seal)	56
1	7 Days	10	12	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6901	VV (Non-Contact Rubber Seal)	56
1	7 Days	10	12	25 ～ 40	Electroless Nickel Plating	20 ～ 25	6901	ZZ (Double Shield)	56
1	7 Days	10	15	25 ～ 50	Electroless Nickel Plating	20 ～ 25	6902	DD (Contact Rubber Seal)	60
1	7 Days	10	15	25 ～ 50	Electroless Nickel Plating	20 ～ 25	6902	VV (Non-Contact Rubber Seal)	60
1	7 Days	10	15	25 ～ 50	Electroless Nickel Plating	20 ～ 25	6902	ZZ (Double Shield)	60
1	7 Days	10	17	25 ～ 50	Electroless Nickel Plating	20 ～ 25	6903	DD (Contact Rubber Seal)	64
1	7 Days	10	17	25 ～ 50	Electroless Nickel Plating	20 ～ 25	6903	VV (Non-Contact Rubber Seal)	64
1	7 Days	10	17	25 ～ 50	Electroless Nickel Plating	20 ～ 25	6903	ZZ (Double Shield)	64
1	7 Days	10	20	35 ～ 50	Electroless Nickel Plating	25 ～ 30	6904	DD (Contact Rubber Seal)	73
1	7 Days	10	20	35 ～ 50	Electroless Nickel Plating	25 ～ 30	6904	VV (Non-Contact Rubber Seal)	73
1	7 Days	10	20	35 ～ 50	Electroless Nickel Plating	25 ～ 30	6904	ZZ (Double Shield)	73

Back to the Category Bearings with Housing

Technical Drawing - Bearings with Housing

Specification Tables - Bearings with Housing

Part Number			T Selection	h Selection	d	D_H7		dh	B	H	L	L₁	G	d₁	d₂	Unit Price
Type	Bearing No.	Seal	T Selection	h Selection	d	D_H7	Tolerance	dh	B	H	L	L₁	G	d₁	d₂	BGTWB	BGTW
BGTWB BGTW	608	ZZ Double Shielded (x1.0) VV Non-Contact Sealed Rubber Seal (x1.1) DD Contact Sealed Rubber Seal (x1.1)	25 35	15 20	8	22	+ 0.021 0	18	7	h+15	53	41	6	9.5	5.5
	628		25 35	15 20	8	24		20	8	h+16	56	44
	6900		25 40	20 25	10	22		19	6	h+15	53	41
	6000		25 40	20 25		26		22	8	h+17	58	46
	6200		30 40	20 25		30		24	9	h+19	62	50
	6901		25 40	20 25	12	24		21	6	h+16	56	44
	6001		25 40	20 25		28		24	8	h+18	60	48
	6201		30 40	20 25		32	+ 0.025 0	26	10	h+20	64	52
	6902		25 50	20 25	15	28	+ 0.021 0	25	7	h+18	60	48
	6002		30 50	20 25		32	+ 0.025 0	28	9	h+20	68	54	7	11	6.5
	6202		35 50	25 30		35	+ 0.025 0	29	11	h+22	72	58
	6903		25 50	20 25	17	30	+ 0.021 0	27	7	h+19	64	52
	6003		30 50	25 30		35	+ 0.025 0	31	10	h+22	70	56
	6203		35 50	25 30		40		34	12	h+24	76	62
	6904		35 50	25 30	20	37		34	9	h+23	73	59
	6004		40 50	25 30		42		36	12	h+25	82	66	8	14	9
	6204		45 50	30 35		47		40	14	h+28	88	72	8	14	9

The price of sealed VV and DD are the price shown in the table multiplied by 1.1.

Alterations - Bearings with Housing

Block/Double Bearings/Unretained:Related Image

Products homepage

Basic information

Shape	Block	Bearing Used	Deep Groove Ball Bearings	Bearing Material	Steel
Number of Bearings	Double	Holder Material	EN 1.1191 Equiv.	Retaining Ring	Not Provided
Type	Bearings with Housings

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Basic Attributes

Bearing I.D. d(mm)
8

10

12

15

17

20
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Thickness T(mm)
25

30

35

40

45

50
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Height h(mm)
15

20

25

30

35
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Bearing Part Number
608

628

6000

6001

6002

6003

6004

6200

6201

6202

6203

6204

6900

6901

6902

6903

6904
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Seals
- DD (Contact Rubber Seal)
- VV (Non-Contact Rubber Seal)
- ZZ (Double Shield)
Clear
Holder Width L(mm)
53

56

58

60

62

64

68

70

72

73

76

82

88
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Type
- BGTW
- BGTWB
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Holder Surface Treatment
- Black Oxide
- Electroless Nickel Plating
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