What is the difference between ball bearing and roller bearing?

The contact between ball bearing and raceway is point contact, and the contact surface is oval when stressed. Because of the point contact, resisting force value is small, and the ball bearing is suitable for the application conditions of low torque and high rotational speed. They also have the characteristics of low noise. Ball bearings have low loading capacity but can bear radial and axial loads. The contact between roller bearing and raceway is line contact, and the contact surface is square when stressed. Because of the line contact, the torque of roller bearing is higher than that of ball bearing, and its rigidity is higher. Roller bearings have higher loading capacity, and cylindrical roller bearings have retaining edges to bear slight axial loads.

What is the classification of bearings according to the shape of rolling elements?

Rolling bearings are mainly divided into: ball bearings and roller bearings. Among them, ball bearings are divided into: deep groove ball bearings, angular contact bearings and radial thrust ball bearings. Roller bearings are divided into: cylindrical roller bearings, needle bearings, cone roller bearings and self-aligning roller bearings.

What is the classification of bearings according to load direction?

Bearing are divided into: radial bearings and thrust bearings according to the load direction. Among them, radial bearings are divided into: radial thrust ball bearings and radial roller bearings. Thrust bearings are divided into: thrust ball bearings and thrust roller bearings.

What standard does the vibration class of this bearing meet?

The vibration class of the bearing is above Z1

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Configure Remaining SpecificationsĐịnh cấu hình các thông số còn lại

Part Number CompleteĐã hoàn thành

C-E634DDU

type Inner Dia. d Outer Dia. D Width B (or T) Basic Load Rating Cr (Dynamic) CAD Days to Ship

Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước

type
- C-E6□□DDU
ClearTrống
Inner Dia. d(Ø)
3

4

5

6

7

8

9
ClearTrống
Outer Dia. D(Ø)
8

9

10

11

12

13

14

15

16

17

19

20

22

24

26

28
ClearTrống
Width B (or T)(mm)
4

5

6

7

8

9
ClearTrống
Basic Load Rating Cr (Dynamic)(N)
558

631

641

716

957

1077

1082

1173

1252

1301

1327

1329

1340

1605

1720

1729

2237

2263

2336

3287

3293

3333

3356

4563

4575
ClearTrống
CADCAD
- 2D
- 3D
ClearTrống

Days to ShipSố ngày giao hàng

Alltất cả các

Same day

8 Day(s) or Less
ClearTrống

Specify AlterationsChỉ định thay đổi

Small Ball Bearings Rubber Sealed (C-E634DDU)

Name: Small Ball Bearings Rubber Sealed
Brand: MISUMI
Price: 14671 VND
Availability: InStock

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Until 31/12/2024
Volume Discount

Check FAQ of this product (4 items)

Brand :

MISUMI

MiSUMi Economy

MISUMI

Order Qty :
Total Price :

---
Days to ship :

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CAD Download

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thận trọng

**RoHS Compliant is available for some part numbers.
Please contact with MISUMI for detail effective date.
The requirements of vibration class Z1 of the industry are met at ultra-low price

Product Description

Small Ball Bearings Rubber Sealed
Small ball bearings with rubber seals are commonly used in applications where there is a need to protect the bearings from water, dirt, dust, and other contaminants. These bearings are available in various sizes to choose from.
[Feature]
● Bearing Size Standards: Metric System
● Inner Diameter (mm.) : 3, 4, 5, 6, 7, 8 and 9
● Outer Diameter Minimum / Maximum (mm.) : 8 and 28
● Width (mm.) : 4, 5, 6, 7, 8 and 9
● Precision (JIS) : Class 0
● Bearing Type : Closed (Rubber Sealed (DDU))
● Load Direction : Radial Load
[Application]
It is used to support and guide rotating machine's components, such as shafts, wheels, pulleys ,etc

Economy Small Rubber Sealed Ball Bearing

Rubber SealedPrecisionSUJ2 equivalent steel

- Basic Load Rating (Cr, Dynamic): Varies depending on size.

- Material: Made from SUJ2 equivalent steel, offering high surface hardness and wear resistance.

- Load Capacity: Dynamic load ratings within specified range.

- Sealing: Comes with rubber seals (DDU) that provide enhanced protection and longevity by keeping contaminants out.

- Capable of operating at high speeds depending on bearing size and load.

Economy Small Rubber Sealed Ball Bearing

MISUMI Standard

Cheaper Price

Product Variety

3D CAD
3D CAD Support

Product of Ball Bearings Overview

・ Light load, medium · low speed, special for medium precision rotation, realizing ultra-low price.
・ It is made of industry standard Ball Bearings steel with high surface hardness and wear resistance.
・ The vibration class of the product is above Z1

Product of Ball Bearings Feature

・ The interface radius of the channel located on the inner and outer ring is slightly larger than the radius of the sphere, in arc shape. Mainly can bear radial load.
・ In addition to the open type Ball Bearings, there are bearings with steel dust cover, bearings with contact rubber seal packing and bearings with non-contact rubber seal packing, or Ball Bearings with stop ring on the outer diameter of outer ring.
・ Ball bearings with dust cover or seal packing are sealed with proper amount of high-quality grease. Deep groove ball bearings generally adopt steel plate stamped cage, which has low friction torque and accuracy grade of 0.

Dimensional Ball Bearings Drawing

Product Dimensional Drawing
(Economic) Small diameter ball bearing Contact rubber seal packing type

Example of Ball Bearings Use

Ball Bearings Motor
1 Motor

Ball Bearings Gear unit
2 Gear unit

Ball Bearings Machine tool
3 Machine tool

Precautions Ball Bearings

When the precision of the shaft and Ball Bearings housing is poor, the bearing will be affected, and its due performance will not be exerted. For example, the poor precision of the mounting part with the bearing will cause relative inclination of the inner and outer rings. At this time, besides the bearing load, the edge load will be increased additionally, which will shorten the fatigue life of the bearing, and even more seriously, it will lead to damage such as cage breakage and sticking.

Please use the following special mounting tool for installation and removal

Ball Bearings heater
Bearing heater

Proper installation of the Ball Bearings heater can guarantee a long life of the bearing.
Rolling bearings are reliable mechanical components with long service life if they are installed and maintained correctly.
After the induction heater is used for heating, the bearing expands outward in the cylindrical direction, which can avoid the damage during installation. Induction heater is one of the most scientific heating methods, which does not need preheating, and can be heated to 110℃ in a few seconds or minutes depending on the weight of bearings, without damaging the prior lubrication

Ball Bearings puller
Bearing puller

When the installation state of the bearing is in the following situations, the special puller can be used for disassembly.
(a) Shaft shape: cylindrical shaft, Inner diameter shape of bearing inner ring: cylindrical hole.
(b) Shaft shape: cylindrical shaft, inner diameter shape of bearing inner ring with tight bushing: tapered hole.
(c) Shaft shape: tapered shaft, Inner diameter shape of bearing inner ring: tapered hole. In either state, the lock nut of the shaft (or the lock nut of the tight bushing) must be released during disassembly, and the lock nut must be placed in a loose state.

Specification Ball Bearings Table

Key points of economy series parts confirmation ①

Inner Diameter d (mm)		Clearance of MISUMI quality products Ball Bearings (μm)		Clearance of economy series products Ball Bearings (μm)
or More	or Less	Minimum	Max.	Minimum	Max.
Less than 10		5	10	7	15

Part Number	d	D	B	r (min.)	Key points of Ball Bearings economy series parts confirmation ② Basic Rated Load		Allowable Rotational Speed rpm (Reference)	Mounting Dimensions			Weight (g) (Reference)
								Ds (min.)	dh (max.)	R (max.)
					Cr (Dynamic) N	Cor (Static) N		Ds (min.)	dh (max.)	R (max.)
C－E693DDU	3	8	4	0.15	558	180	60000	4.2	6.8	0.15	1
C－E623DDU	3	10		0.15	631	219	50000	4.2	8.8		2
C－E684DDU	4	9		0.2	641	227	53000	4.6	8.4
C－E694DDU		11			957	350	48000	5.2	9.8
C－E604DDU		12			957	350	48000	5.6	10.4	0.2	3
C－E624DDU		13	5		1301	488	40000	5.6	11.4		4
C－E634DDU		16			1340	523	36000	8	13		6
C－E685DDU	5	11			716	282	45000	5.8	10.2	0.1	2
C－E695DDU		13	4		1077	432	43000	6.6	11.4	0.2	3
C－E605DDU		14	5		1329	507	40000	6.6	12.4	0.2	5
C－E625DDU		16	5	0.3	1729	675	36000	7	14	0.3	6
C－E635DDU		19	6	0.2	2336	896	32000	7.4	16.6	0.3	8
C－E686DDU	6	13	5		1082	442	40000	6.8	11.2	0.2	4
C－E696DDU		15	5		1340	523	40000	7.6	13.4	0.3	7
C－E606DDU		17	6		2263	846	38000	8	15		7
C－E626DDU		19	6	0.3	2336	896	32000	8	17		8
C－E636DDU		22	7	0.3	3333	1423	30000	10.5	20		5
C－E687DDU	7	14	5	0.2	1173	513	40000	7.8	13.2	0.2	4
C－E697DDU		17	5		1605	719	36000	9	15	0.3	6
C－E607DDU		19	6		2336	896	36000	9	17		8
C－E627DDU		22	7	0.3	3287	1379	30000	9.4	19.6		14
C－E688DDU	8	16	5	0.2	1252	592	36000	9.4	14.6	0.2	4
C－E698DDU		19	6	0.2	2237	917	36000	10	17	0.3	8
C－E608DDU		22	7	0.3	3293	1379	34000		20		14
C－E628DDU		24	8		3333	1423	28000		22		18
C－E638DDU		28	9		4563	1983	28000	12	23		31
C－E689DDU	9	17	5		1327	668	36000	10.4	15.6	0.2	5
C－E699DDU		20	6		1720	840	34000	11	18	0.3	8
C－E609DDU		24	7		3356	1444	32000	11	22		16
C－E629DDU		26	8		4575	1983	28000	11.4	23.6		22

kgf＝N×0.101972

Specification Table

Key points of economy series parts confirmation ①

Inner Diameter d (mm)		Clearance of MISUMI quality products (μm)		Clearance of economy series products (μm)
or More	or Less	Minimum	Max.	Minimum	Max.
Less than 10		5	10	7	15

Part Number	d	D	B	r (min.)	Key points of economy series parts confirmation ② Basic Rated Load		Allowable Rotational Speed rpm (Reference)	Mounting Dimensions			Weight (g) (Reference)
								Ds (min.)	dh (max.)	R (max.)
					Cr (Dynamic) N	Cor (Static) N		Ds (min.)	dh (max.)	R (max.)
C－E693DDU	3	8	4	0.15	558	180	60000	4.2	6.8	0.15	1
C－E623DDU	3	10		0.15	631	219	50000	4.2	8.8		2
C－E684DDU	4	9		0.2	641	227	53000	4.6	8.4
C－E694DDU		11			957	350	48000	5.2	9.8
C－E604DDU		12			957	350	48000	5.6	10.4	0.2	3
C－E624DDU		13	5		1301	488	40000	5.6	11.4		4
C－E634DDU		16			1340	523	36000	8	13		6
C－E685DDU	5	11			716	282	45000	5.8	10.2	0.1	2
C－E695DDU		13	4		1077	432	43000	6.6	11.4	0.2	3
C－E605DDU		14	5		1329	507	40000	6.6	12.4	0.2	5
C－E625DDU		16	5	0.3	1729	675	36000	7	14	0.3	6
C－E635DDU		19	6	0.2	2336	896	32000	7.4	16.6	0.3	8
C－E686DDU	6	13	5		1082	442	40000	6.8	11.2	0.2	4
C－E696DDU		15	5		1340	523	40000	7.6	13.4	0.3	7
C－E606DDU		17	6		2263	846	38000	8	15		7
C－E626DDU		19	6	0.3	2336	896	32000	8	17		8
C－E636DDU		22	7	0.3	3333	1423	30000	10.5	20		5
C－E687DDU	7	14	5	0.2	1173	513	40000	7.8	13.2	0.2	4
C－E697DDU		17	5		1605	719	36000	9	15	0.3	6
C－E607DDU		19	6		2336	896	36000	9	17		8
C－E627DDU		22	7	0.3	3287	1379	30000	9.4	19.6		14
C－E688DDU	8	16	5	0.2	1252	592	36000	9.4	14.6	0.2	4
C－E698DDU		19	6	0.2	2237	917	36000	10	17	0.3	8
C－E608DDU		22	7	0.3	3293	1379	34000		20		14
C－E628DDU		24	8		3333	1423	28000		22		18
C－E638DDU		28	9		4563	1983	28000	12	23		31
C－E689DDU	9	17	5		1327	668	36000	10.4	15.6	0.2	5
C－E699DDU		20	6		1720	840	34000	11	18	0.3	8
C－E609DDU		24	7		3356	1444	32000	11	22		16
C－E629DDU		26	8		4575	1983	28000	11.4	23.6		22

kgf＝N×0.101972

Part Number

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Please use left hand selections to complete a part number.

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: 30; 45; 60

Part Number
C-E634DDU SALE

Part Number Price Minimum Order Qty. Volume Discount Days to ShipSố ngày giao hàng Inner Dia. d
(Ø) Outer Dia. D
(Ø) Width B (or T)
(mm) Basic Load Rating Cr (Dynamic)
(N) Basic Load Rating Cor (Static)
(N) Weight
(g)

Part Number	Price	Minimum Order Qty.	Volume Discount	Days to ShipSố ngày giao hàng	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Width B (or T) (mm)	Basic Load Rating Cr (Dynamic) (N)	Basic Load Rating Cor (Static) (N)	Weight (g)
	14,671 VND 13,204 VND	1 Piece(s)	Available	Same day	4	16	5	1340	523	6

14,671 VND

13,204 VND

1 Piece(s)

Available

Same day

1340

523

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Basic InformationThông tin cơ bản

Raceway Ring Shape	Ball	Bearing Type	Rubber Sealed	Outer Ring Type	Flat
Inner/Outer Ring Material	SUJ2 Equiv.	Specifications, Environment	Standard / Water Resistance / Dust Resistant	Precision (JIS)	Class 0
Load Direction	Radial	Rolling Element Material	SUJ2	Size Standards	Metric System
Number of Raceway Ring Rows	Single Row	Allowable Rotational Speed(rpm)	8000

Please check the type/dimensions/specifications of the part C-E634DDU in the Small Ball Bearings Rubber Sealed series.Vui lòng kiểm tra kiểu/kích thước/thông số kỹ thuật của phần C-E634DDU trong chuỗi Small Ball Bearings Rubber Sealed.

The specifications and dimensions of some parts may not be fully covered. For exact details, refer toCác thông số kỹ thuật và kích thước của mã sản phẩm có thể không được bao phủ đầy đủ. Để biết chi tiết chính xác, hãy tham khảo manufacturer catalogsdanh mục nhà sản xuất ..

Frequently asked question (FAQ)FAQ

Question:Question: What is the difference between ball bearing and roller bearing?: Answer:Answer: The contact between ball bearing and raceway is point contact, and the contact surface is oval when stressed. Because of the point contact, resisting force value is small, and the ball bearing is suitable for the application conditions of low torque and high rotational speed. They also have the characteristics of low noise. Ball bearings have low loading capacity but can bear radial and axial loads. The contact between roller bearing and raceway is line contact, and the contact surface is square when stressed. Because of the line contact, the torque of roller bearing is higher than that of ball bearing, and its rigidity is higher. Roller bearings have higher loading capacity, and cylindrical roller bearings have retaining edges to bear slight axial loads.
Question:Question: What is the classification of bearings according to the shape of rolling elements?: Answer:Answer: Rolling bearings are mainly divided into: ball bearings and roller bearings. Among them, ball bearings are divided into: deep groove ball bearings, angular contact bearings and radial thrust ball bearings. Roller bearings are divided into: cylindrical roller bearings, needle bearings, cone roller bearings and self-aligning roller bearings.
Question:Question: What is the classification of bearings according to load direction?: Answer:Answer: Bearing are divided into: radial bearings and thrust bearings according to the load direction. Among them, radial bearings are divided into: radial thrust ball bearings and radial roller bearings. Thrust bearings are divided into: thrust ball bearings and thrust roller bearings.
Question:Question: What standard does the vibration class of this bearing meet?: Answer:Answer: The vibration class of the bearing is above Z1

Check other FAQ (1 items) HideĐóng.

Products like this...

Part Number
C-E607DDU
C-E608DDU
C-E609DDU
C-E635DDU
C-E636DDU
C-E638DDU

Standard Unit Price	Minimum order quantity	Volume Discount	Days to ShipSố ngày giao hàng	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Width B (or T) (mm)	Basic Load Rating Cr (Dynamic) (N)	Basic Load Rating Cor (Static) (N)	Weight (g)
14,981 VND	1 Piece(s)	Available	Same day	7	19	6	2336	896	8
14,394 VND	1 Piece(s)	Available	Same day	8	22	7	3293	1379	14
16,225 VND	1 Piece(s)	Available	Same day	9	24	7	3356	1444	16
11,488 VND	1 Piece(s)	Available	Same day	5	19	6	2336	896	8
16,491 VND	1 Piece(s)	Available	Same day	6	22	7	3333	1423	5
21,662 VND	1 Piece(s)	Available	Same day	8	28	9	4563	1983	31

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MISUMI Vietnam Company Limited, Legal Representative: Tomohiro Watanabe,
phone: 0222-361-1555, e-mail: cs@misumi.com.vn, Enterprise Code: 0107514576,
Date of Issuance: 22 July 2016, Place of Issuance: Bac Ninh, Business Certificate No. 6573041568-KD dated 27 September 2016 issued by the People's Committee of Bac Ninh

Công ty TNHH MISUMI Việt Nam, Đại diện theo pháp luật: Tomohiro Watanabe,
Điện thoại: 0222-361-1555, e-mail: cs@misumi.com.vn, Mã số doanh nghiệp: 0107514576,
ngày cấp 22/7/2016, nơi cấp: Bắc Ninh, Giấy phép kinh doanh số: 6573041568-KD ngày cấp 27/9/2016 bởi UBND tỉnh Bắc Ninh