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 is the basic rated life of rolling bearings?

The basic rated life of rolling bearings refers to the total number of revolutions that 90% of the ball bearings can rotate without peeling when eleven groups of ball bearings of the same kind and specification rotate respectively under the same conditions.

Can double shielded stainless steel deep groove ball bearings be directly used in corrosive environment?

The antirust performance of the material of double shielded stainless steel deep groove ball bearings is weaker than that of SUS3XX series stainless steel. Do not use it directly in corrosive environment.

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Part Number Complete

E-SZV3-12

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

Specification/Dimensions

Inner Dia. d(Ø)
3

4

6
Clear
Outer Dia. D(Ø)
12

14

16
Clear
Basic Load Rating Cr (Dynamic)(N)
235

542
Clear
type
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

Same day
Clear

Specify Alterations

Guide Bearing-V Groove, Stainless Steel

Volume Discount

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MiSUMi Economy

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Product Overview of Ball Bearings

・Deep groove Ball Bearings is the most commonly used rolling bearing. It is of simple structure and easy to use.
・The material of this Ball Bearings is equivalent to SUS420, which has a certain antirust ability.
・The V-shaped roller that rolls on the V-shaped guide surface, coupled with the design of a reciprocating motion system, has realized the perfect combination of linear motion and arc motion.

Product Features of Ball Bearings

・The V-shaped Ball Bearings that rolls on the V-shaped guide surface can reach a high linear speed.
・Lower noise is achieved due to the good contour consistency between the V-shaped groove of the roller bearing and the V-shaped surface of the V-shaped guide of the roller.
・The use of V-shaped Ball Bearings can reduce the accuracy requirements of the installation reference, greatly reducing the accuracy requirements for the installation reference plane, and saving assembly time and effort.

Dimensional Drawing of Ball Bearings

Material of Ball Bearings	Surface Treatment
Stainless steel of Ball Bearings Equivalent to SUS420	Not Provided

Dimension and Specification for Open End Belt

Specification Table of Ball Bearings

Part Number of Ball Bearings		D	B	VD	C Chamfering	Basic Rated Load		Mounting Dimensions		Mass (g) (Reference)
Type	d					Cr (Dynamic) N	Co (Static) N	Ds (min)	dh (max)
E-SZV	3	12	4	9.06	0.25	542	186	4.5	7.5	1.3
	3	14		11.06						1.9
	4	12		9.06				5.5		1.2
	4	14		11.06						1.8
	6	16		13.06		235	650	7.5	10	2.1

*The parameters in the table are for reference only and are not guaranteed values.

Example Use of Ball Bearings

Precautions of 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 inclinationof the inner and outer rings.
At this time, besides the Ball Bearings 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
Precautions

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 Ball Bearings 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 notneed preheating, and can be heated to 110℃ in a few seconds or minutes depending on the weight of bearings, without damaging the prior lubrication

Bearing puller
Precautions

When the installation state of the Ball Bearings 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 Ball Bearings 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 beplaced in a loose state.

Related Products of Ball Bearings

Economy Series Stainless Steel Groove Ball Bearings, U-Groove Type	Flanged Small Ball Bearings Stainless Steel	Small Ball Bearings Stainless Steel

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 45; 60

Part Number
E-SZV3-12
E-SZV3-14
E-SZV4-12
E-SZV4-14
E-SZV6-16

Price	Minimum Order Qty.	Volume Discount	Days to Ship	RoHS	Inner Dia. d (Ø)	Outer Dia. D (Ø)	Basic Load Rating Cr (Dynamic) (N)	Basic Load Rating Cor (Static) (N)
₹ 161.00	1 Piece(s)	Available	Same day	10	3	12	542	186
₹ 161.00	1 Piece(s)	Available	Same day	10	3	14	542	186
₹ 161.00	1 Piece(s)	Available	Same day	10	4	12	542	186
₹ 161.00	1 Piece(s)	Available	Same day	10	4	14	542	186
₹ 167.00	1 Piece(s)	Available	Same day	10	6	16	235	650

Dimensional Drawing

Material	Surface Treatment
Stainless steel Equivalent to SUS420	Not Provided

Specification Table

Part Number		D	B	VD	C Chamfering	Basic Rated Load		Mounting Dimensions		Mass (g) (Reference)
Type	d					Cr (Dynamic) N	Co (Static) N	Ds (min)	dh (max)
E-SZV	3	12	4	9.06	0.25	542	186	4.5	7.5	1.3
	3	14		11.06						1.9
	4	12		9.06				5.5		1.2
	4	14		11.06						1.8
	6	16		13.06		235	650	7.5	10	2.1

*The parameters in the table are for reference only and are not guaranteed values.

Basic Information

Width B (or T)(mm)	4	Raceway Ring Shape	Ball	Bearing Type	Double Shielded
Outer Ring Type	With V-Shaped Groove	Inner/Outer Ring Material	Stainless Steel	Specifications, Environment	Standard / Dust Resistant
Precision (JIS)	Class 0	Load Direction	Radial / Thrust Load, Axial	Rolling Element Material	Stainless Steel
Size Standards	Metric System	Number of Raceway Ring Rows	Single Row

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

Frequently asked question (FAQ)

Question: What is the difference between ball bearing and roller bearing?: 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: What is the classification of bearings according to the shape of rolling elements?: 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: What is the classification of bearings according to load direction?: 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: What is the basic rated life of rolling bearings?: Answer: The basic rated life of rolling bearings refers to the total number of revolutions that 90% of the ball bearings can rotate without peeling when eleven groups of ball bearings of the same kind and specification rotate respectively under the same conditions.
Question: Can double shielded stainless steel deep groove ball bearings be directly used in corrosive environment?: Answer: The antirust performance of the material of double shielded stainless steel deep groove ball bearings is weaker than that of SUS3XX series stainless steel. Do not use it directly in corrosive environment.

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