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6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery
6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery
6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery
6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery
6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery
6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery
Specifications
Brand Name :
BUGAO
Model Number :
6905, 6905ZZ, 6905-2RS
Certification :
ISO 9001:2015
Place of Origin :
China
MOQ :
1,000 sets
Price :
Negotiable
Payment Terms :
T/T
Supply Ability :
30,000,000 sets
Delivery Time :
Negotiable
Packaging Details :
Single Packing, Industrial Packing, Custom Packing
Bearing Name :
Double Sided Bearing
Bearing Material :
Bearing Steel, Stainless Steel, Ceramic, etc
Bearing Type :
Single Row
Tolerance Class :
ABEC-7
Precision :
P4
Clearance :
C2, C0, C3, C4
Seal & Sheild of bearing :
Open, Z, ZZ, RZ, 2RZ, RS, 2RS
Noise of bearing :
Z4V4
HS code :
8482102000
OEM Service :
Customization welcomed
Description

6905 6905-2RS Rubber Bearing Double Side Dustproof Z4 Silent Ball Bearing for Power Tools Industial Machinery

The 6905 2RS Bearing is a high-performance, double-sided rubber-sealed deep groove ball bearing designed for demanding industrial applications. This bearing features double rubber seals (2RS), providing excellent protection against dust, debris, and moisture while retaining lubrication. With a Z4 precision grade, the 6905 2RS ensures smooth operation, low noise, and high rotational accuracy, making it ideal for industrial machinery operating in harsh environments. Its robust construction and dustproof design make it a reliable choice for applications requiring durability and precision.


Key Features:

  • Double Rubber Seals (2RS): Protects against contamination and retains lubricant for extended performance.

  • Z4 Precision Grade: Ensures smooth and quiet operation with minimal vibration.

  • High-Speed Capability: Designed for efficient operation at high rotational speeds.

  • Durable Construction: Made from high-quality chrome steel for excellent wear resistance.

  • Low Maintenance: Sealed design reduces the need for frequent relubrication.

  • Dustproof Design: Ideal for industrial environments with high levels of dust and debris.

  • Versatility: Suitable for both radial and axial load applications.


Dimensions:

Parameter Measurement (mm)
Inner Diameter (ID) 25 mm
Outer Diameter (OD) 42 mm
Width (W) 9 mm


Advantages of 6905 2RS Bearing:

  1. High Precision: Z4 precision ensures minimal vibration and noise, making it ideal for precision industrial machinery.

  2. Dustproof Protection: The double rubber seals (2RS) ensure reliable performance in dusty or dirty environments.

  3. High-Speed Performance: Designed for smooth operation at high rotational speeds.

  4. Durability: High-quality materials and construction provide excellent resistance to wear and tear.

  5. Low Friction: Designed for efficient operation, reducing energy consumption and heat generation.

  6. Low Maintenance: Sealed design minimizes the need for frequent relubrication, reducing downtime and costs.


Applications:

    1. Industrial Machinery: Used in pumps, compressors, and gearboxes requiring high precision and durability.

    2. Electric Motors: Suitable for small to medium-sized motors in industrial equipment.

    3. Conveyor Systems: Ideal for conveyor rollers and other machinery exposed to dust and debris.

    4. Agricultural Equipment: Used in machinery exposed to dust, dirt, and moisture.

    5. Food Processing Equipment: Suitable for machinery in the food and beverage industry due to its contamination protection.

    6. Material Handling: Used in equipment for handling bulk materials in industrial settings.

6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery


Technical Parameters of P4 Precision 69 Series Ball Bearings:

6900 Series Bearings Parameters

Basic
Bearing
No.

Bore d

Outer Diameter D

Width W

Radius r

Basic Load Rating KN

Maximum Run out Speed

Weight
kg/pc
Dynamic

Static

 Grease

Oil
mm

inch

 mm inch mm inch mm inch C

CO

r/min

r/min

693

3

 0.1181

8

 0.315

3

 0.1181

0.15

 0.006

0.56

0.18

54000

63000

0.0006

W693

3

 0.1181

8

 0.315

4

 0.1575

0.15

 0.006

0.56

0.18

54000

63000

0.0007

694

4

 0.1575

11

 0.4331

4

 0.1575

0.15

 0.006

0.715

0.276

45000

52000

0.0018

695

5

 0.1969

13

 0.5118

4

 0.1575

0.2

 0.008

1.08

0.43

34000

43000

0.0024

696

6

 0.2362

15

 0.5906

5

 0.1969

0.2

 0.008

1.35

0.53

32000

40000

0.0038

697

7

 0.2756

17

 0.6693

5

 0.1969

0.3

 0.012

1.61

0.715

30000

38000

0.0052

698

8

 0.3150

19

 0.7480

6

 0.2362

0.3

 0.012

1.99

0.865

28000

36000

0.0073

699

9

 0.3543

20

 0.7874

6

 0.2362

0.3

 0.012

2.48

1.09

27000

34000

0.0082

6900

10

0.3937

22

 0.8661

6

 0.2362

0.3

 0.012

2.7

1.27

25000

32000

0.009

6901

12

 0.4724

24

 0.9449

6

 0.2362

0.3

 0.012

2.89

1.46

20000

28000

0.011

6902

15

 0.5906

28

 1.1024

7

 0.2756

0.3

 0.012

4.1

2.06

19000

26000

0.016

6903

17

 0.6693

30

 1.1811

7

 0.2756

0.3

 0.012

4.65

2.58

18000

24000

0.018

6904

20

 0.7874

37

 1.4567

9

 0.3543

0.3

 0.012

6.4

3.7

17000

22000

0.036

6905

25

 0.9843

42

 1.6535

9

 0.3543

0.3

 0.012

7.05

4.55

14000

18000

0.042

6906

30

 1.1811

47

 1.8504

9

0.3543

0.3

 0.012

7.25

5

12000

16000

0.048

6907

35

 1.3780

55

 2.1654

10

 0.3937

0.3

 0.012

11.2

7.45

10000

14000

0.074

6908

40

 1.5748

62

 2.4409

12

 0.4724

0.3

 0.012

14.6

10.2

8000

12000

0.11

6909

45

 1.7717

68

 2.6772

12

 0.4724

0.3

0.012

15.1

11.2

6000

10000

0.128

6910

50

 1.9685

72

 2.8346

12

 0.4724

0.3

 0.012

15.6

12.2

4000

8000

0.132


Application Senarios of High Precision 69 Series Ball Bearings

6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery


Customization Welcomed:

  • We can printing your brand (logo,artwork)on the shield or laser engraving your brand on the shield.

  • We can custom your packaging according to your design.

  • All copyright owned by clients and we promised don't disclose any information.



Packing and Shipping:

  • The deep groove ball bearings will be securely packaged individually, or tube packing or packed as customization packing

  • Shipping method is negotiable.



6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery




Other Technical Data of Bearings


ABEC-5 Tolerance Class ABEC-5 (P5)

Inner Ring

Tolerance in um/s

d mm

Δdmp

Vdp²)Diameter Series

Vdmp

Kia

Sd

Sis3)

ΔBs

Vbs

9

0,1,2,3,4

over

including

high

low

max

3

max

max

max

High

Low

max

1)0.6

2.5

0

-5

5

4

3

4

7

7

0

-40

5

2.5

10

0

-5

5

4

3

4

7

7

0

-40

5

10

18

0

-5

5

4

3

4

7

7

0

-80

5

18

30

0

-6

6

5

3

4

8

8

0

-120

5

30

50

0

-8

8

6

4

5

8

8

0

-120

5

50

80

0

-9

9

7

5

5

8

8

0

-150

6


Outer Ring

Tolerance in um/s

D mm

Δdmp

Vdp²)Diameter Series

Vdmp

Kia

SD4) SD15)

Sea4)5)

ΔBs

Vbs

9

0,1,2,3,4

over

including

high

low

max

max

max

max

High

Low

max

1)2.5

6

0

-5

5

4

3

5

8

8

5

6

18

0

-5

5

4

3

5

8

8

5

18

30

0

-6

6

5

3

6

8

8

5

30

50

0

-7

7

5

4

7

8

8

5

50

80

0

-9

9

7

5

8

8

10

6

80

120

0

-10

10

8

5

10

9

11

8

120

150

0

-11

11

8

6

11

10

13

8


ABEC-7 Tolerance Class ABEC-7 (P4)

Inner Ring

Tolerance in um/s

d mm

Δdmp

Δds

Vdp²)Diameter Series

Vdmp

Kia

Sd

Sia

ΔBs

Vbs

7,8,9

1,7,2,3,4

over

including

high

low

high

low

max

max

max

max

max

High

low

Low

max

1)0.6

2.5

0

-4

0

-4

4

3

2

2.5

3

3

0

-40

-40

2.5

2.5

10

0

-4

0

-4

4

3

2

2.5

3

3

0

-40

-40

2.5

10

18

0

-4

0

-4

4

3

2

2.5

3

3

0

-80

-80

2.5

18

30

0

-5

0

-5

5

4

2.5

3

4

4

0

-120

-120

2.5

30

50

0

-6

0

-5

6

4

3

4

4

4

0

-120

-120

3

50

80

0

-7

0

-5

7

5

3.5

4

5

5

0

-150

-150

4


Outer Ring

Tolerance in um/s

D mm

Δdmp

Δds

Vdp²)Diameter Series

Vdmp

Kia

Sd

Sia

ΔBs

Vbs

7,8,9

1,7,2,3,4

over

including

high

low

high

low

max

max

max

max

max

High

low

 max

1)2.5

6

0

-4

0

-4

4

3

2

3

4

5

Identical to ΔBs and VBs of inner ring of same bearing

2.5

6

18

0

-4

0

-4

4

3

2

3

4

5

2.5

18

30

0

-5

0

-5

5

4

2.5

4

4

5

2.5

30

50

0

-6

0

-6

6

5

3

5

4

5

2.5

50

80

0

-7

0

-7

7

5

3.5

5

4

5

3

80

120

0

-8

0

-8

8

6

4

6

5

6

4

120

150

0

-9

0

-9

9

7

5

7

5

7

5




FAQ:

1.Q:Are you a factory or trading company?
A:Kent Bearing is specialized in manufacturing and exporting bearings, and we have our own factory and warehouse.
2.Q:Can I get some samples and do you offer free samples?
A:Yes, sure, Kent Bearing are honored to offer you samples.
3.Q: How about the shipping?
A: We can arrange the shipment or you may have the forwarder.
4.Q: Could you tell me the material of our bearing?
A: We have chrome steel, and stainless steel, ceramic and plastic material
5.Q: Can we get support if we have our own market position?

A: Please inform us detailed information about your market,we will discuss
and propose helpful suggestion for you and to find the best solution for you.



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6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery

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Product Detail
Brand Name :
BUGAO
Model Number :
6905, 6905ZZ, 6905-2RS
Certification :
ISO 9001:2015
Place of Origin :
China
MOQ :
1,000 sets
Price :
Negotiable
Contact Supplier
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6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery
6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery
6905 2RS Double Sided Bearing Z4 Rubber Ball Bearings Dustproof For Industial Machinery

Ningbo Kent Bearing Co., Ltd

Verified Supplier
1 Years
zhejiang, ningbo
Since 2003
Business Type :
Manufacturer
Main Products :
6000 Series Bearing, Electric Motor Bearing, UCP Pillow Block Bearing
Certification Level :
Verified Supplier
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