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GCr15 NTN Miniature Ball Bearings / 2305 K Series Nylon Ball Bearings

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GCr15 NTN Miniature Ball Bearings / 2305 K Series Nylon Ball Bearings

Brand Name : NTN

Model Number : 2305K

Certification : ISO9001:2008

Place of Origin : Japan

MOQ : 1pc

Price : USD0.1-99/pc

Payment Terms : T/T, Western Union, MoneyGram

Supply Ability : 10000pcs/month

Packaging Details : Roll ,box ,carton ,pallet

Type : Self-Aligning Ball Bearing

Material : Bearing steel

Clearance : C0,C2,C3,C4

Number of Row : Double Row

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GCr15 NTN Self-Aligning Ball Bearing 2305K Series With 25mm ID

Detailed Product Description

Description:

Self-aligning ball bearings are constructed with the inner ring and ball assembly contained within an outer ring that has a spherical raceway. This construction allows the bearing to tolerate a small angular misalignment resulting from deflection or improper mounting. Self-aligning ball bearing is consequently self-aligning and insensitive to angular misalignments of the shaft relative to the housing.

This kind of ball bearings are particularly suitable for applications where considerable shaft deflections or misalignment are to be expected. Additionally, the self-aligning ball bearing has the lowest friction of all rolling bearings, which enables it to run cooler even at high speeds.

Quick Detail:

Structure: Self-aligning

Type: Ball

Material: GCr15, GCr15SiMn, G20Cr2Ni4A

ID: 25mm

OD: 62mm

Width: 24mm

Precision Rating: P0, P4, P5, P6

Seals Type:/

Number of Row: single,

Vibration Level: V1, V2, V3

Radial Clearance: C0, C3, C4

Noisy level: Z1, Z2

Cage Material: Brass, Steel, Nylon

Tolerence Level: ABEC-1, 3, 5, 7

Certification: ISO 9000

Features:

High Quality Steel - Ultra clean steel to extend bearing life by up to 80%.

Advanced Grease Technology - lubricants that can extend grease life and performance.

High Grade Balls - Quiet and smooth operation even at high speed.

Super Finished Raceways - Specially honed to minimise noise and improve lubricant distribution and life.

Contact Angle - Offered in 15, 25, 30 and 40 degree angles.

Cages - Available in a range of Polyamide, steel and brass cage assemblies

The size includes

(0) 2 series , (0) 3 series , 22 series and 23 series,


GCr15 NTN Miniature Ball Bearings / 2305 K Series Nylon Ball Bearings

some of them are listed below

Boundary dimensions

(mm)

Calculating

Fators

Basic load ratings

(kN)

Limiting speeds

(rpm)

Mass

(Kg)

Bearing Number

d

D

B

e

Y1

Y2

Y0

Cr

Cor

Grease

Oil

(Approx.)

HDBB

NTN

20

52

15

0.27

2.3

3.6

2.4

12

3.3

12000

14000

0.21

1205 K + H 205

1205SK;H205X

100

200

38

0.17

3.6

5.6

3.8

87.2

37.5

2800

3400

7.1

1222 K + H 222

1222SK;H222X

17

52

15

0.29

2.2

3.4

2.3

12.5

3.38

12000

15000

1304 K + H 304

1304SK;H304

90

215

47

0.24

2.7

4.1

2.8

142

57.2

2800

3400

10.34

1320 K + H 320

1320SK;H320X

35

80

23

0.24

1.9

2.9

2

22.5

7.38

7500

9000

0.72

2208 K + H 308

2208SK;H308X

75

150

36

0.25

2.5

3.8

2.6

58.2

23.5

3800

4500

3.73

2217 K + H 317

2217SK;H317X

25

72

27

0.44

1.4

2.2

1.5

31.5

8.68

8000

10000

0.63

2306 K + H 2306

2306SK;H2306X

50

120

43

0.41

1.5

2.4

1.6

75.2

23.5

4800

6000

2.52

2311 K + H 2311

2311SK;H2311X

Competitive Advantage

1. Quality level: reach the same level as the Japanese and European bearings

2. Tolerance level: ABEC-1 (P0), ABEC-3 (P6)

3. Less coefficient of friction

4. High limiting speed

5. Large size range

6. variations of structure

Bearing Model
Boundary dimension(mm)
Basic load ratings (lbf)
Limiting speed (min-1)
Weight(Ib)
d
D
B
Dynamic(Cr)
Static(Cor)
Grease
Oil
KG
108
8
22
7
2.6
0.56
26000
33000
0.014
126
6
19
6
2.5
0.48
30000
37000
0.009
129
9
26
8
3.8
0.8
23000
29000
0.022
1200
10
30
9
5.50
1.20
23000
28000
0.034
1205
25
52
15
12.1
3.30
12000
14000
0.141
1210
50
90
20
22.7
8.1
6500
7900
0.525
1215
75
130
25
38.8
15.7
4300
5300
1.36
1220
100
180
34
69
29.7
3100
3800
3.7
1300
10
35
11
7.25
1.6
20000
24000
0.058
1305
25
62
17
18
5
9900
12000
0.257
1310
50
110
27
43.4
14.1
5600
6800
1.21
1312
60
130
31
57.2
20.8
4500
5500
1.96
1316
80
170
39
88.1
33.1
3500
4300
4.18
2200
10
30
14
7.4
1.6
23000
2900
0.047
2210
50
90
23
23.3
8.5
6500
7900
0.59
2220
100
180
46
80.9
34
3100
3800
4.98
2300
10
35
17
9.3
2.1
18000
24000
0.085
2305
25
62
24
24.4
6.6
9400
13000
0.335
2315
75
160
55
103
36.8
3400
4600
5.13


Product Tags:

ball bearing self aligning

      

double ball bearing

      
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