4.5*8.5*2.5mm M-2 Angular Contact Ball Bearings,we have bearings in stock now we can provide sample for you test in advance .
4.5*8.5*2.5mm M-2 Angular Contact Ball Bearings,we have bearings in stock now we can provide sample for you test in advance .
Dimension :
Inner diameter :4.5mm
Outer diameter : 8.5mm
Height:2.5mm
Material :Chrome steel Gcr15 + Phenolic cage
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Angular Contact Bearings Introduction :
| Suffix | Contact Angules or structures |
| A | 30° contact angle |
| C | 15° contact angle |
| AC | 25° contact angle |
| B | 40° contact angle |
| BER | 25° contact angle |
| BNR | 18° contact angle |
| TAC | 60° contact angle |
| DB | Two bearings matched back-to-back |
| DF | Two bearings matched face-to-face |
| DT | Two bearings matched in tandem |
| GA | Bearing for universal matching. Two bearings arranged back-to-back or face-to-face will have a light preload before mounting |
| GB | Bearing for universal matching. Two bearings arranged back-to-back or face-to-face will have a moderate preload before mounting |
| GC | Bearing for universal matching. Two bearings arranged back-to-back or face-to-face will have a heavy preload before mounting |
| types of angular contact ball bearing | ||
| 1 | single row (open type) | 70, 72, 73, 718, 719 Series |
| 2 | double row (open or sealed) | 50, 52, 53, 54 series, |
| 32, 33 series | ||
| 3 | Four-point contact | QJ series |
Angular Contact Ball Bearings Application:
Single row application: Machine tool spindles, high frequency motors, gas turbines, centrifugal separator, small car front wheels, differential pinion shaft etc.
Double row application: Roots blowers, air compressors, transmissions, printing machine, water pump, oil pump, cutting machines, reducers, prospecting machines, polishing machines, diesel engines, textile machinery, steel mills etc.
Miniature Angular Contact Ball Bearings NO.:
Bearing No.
Dimension (mm)
d
D
B
725C
5
16
5
725A
5
16
5
706C
6
17
6
706A
6
17
6
726C
6
19
6
726A
6
19
6
707C
7
19
6
707A
7
19
6
708C
8
22
7
708A
8
22
7
728C
8
24
8
728A
8
24
8
7900C
10
22
6
7900A5
10
22
6
7901C
12
24
6
7901A5
12
24
6
7902C
15
28
7
7902A5
15
28
7
7903C
17
90
7
7903A5
17
90
7
7904C
20
37
9
7904A5
20
37
9
7905C
25
42
9
7905A5
25
42
9
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