Komel Bearing Co.,Ltd is a leading Double Row Angular Contact Ball Bearing manufacturer and supplier in China. We have been specialized in bearing filed for many years. Our products have a good price advantage and we have exported our bearings to many markets. We look forward to become your long-term partner in China.
The Double Row Angular Contact Ball Bearing produced by KOMEL can withstand bidirectional axial loads and high radial loads at the same time through the contact angle design of the two rows of steel balls and the inner and outer rings. They are suitable for scenarios that require high stiffness and bidirectional axial positioning (such as machine tool spindles andturbo-machinery).
Structural features
The two rows of steel balls are symmetrically distributed, and the contact angle is usually 25° or 30°.
Non-separable design, with integral flanges on the inner or outer ring.
Load capacity
The radial load capacity is about 1.6~1.8 times that of a single-row bearing.
Strong bidirectional axial load capacity, suitable for combined load conditions.
Rigidity and precision
High inherent stiffness, high-precision rotation can be achieved without preload.
Sensitive to installation errors (angle deviation needs to be <2 arc minutes).
Parameter (Specification)
Model Number
Inner Diameter
Outer Diameter
Width
3200
10
30
14
3201
12
32
15.9
3202
15
35
15.9
3203
17
40
17.5
3204
20
47
20.6
3205
25
52
20.6
3206
30
62
23.8
3207
35
72
27
3208
40
80
30.2
3209
45
85
30.2
3210
50
90
30.2
3211
55
100
33.3
3212
60
110
36.5
3213
65
120
38.1
3214
70
125
39.7
3215
75
130
41.3
3216
80
140
44.4
3217
85
150
49.2
3218
90
160
52.4
3219
95
170
55.6
3220
100
180
60.3
3302
15
42
19
3303
17
47
22.2
3304
20
52
22.2
3305
25
62
25.4
3306
30
72
30.2
3307
35
80
34.9
3308
40
90
36.5
3309
45
100
39.7
3310
50
110
44.4
3311
55
120
49.2
3312
60
130
54
3313
65
140
58.7
3314
70
150
63.5
3315
75
160
68.3
3316
80
170
68.3
3317
85
180
73
3318
90
190
73.025
3319
95
200
77.8
3320
100
215
82.6
3322
110
240
92.1
5200
10
30
14.3
5201
12
32
15.9
5202
15
35
15.9
5203
17
40
17.5
5204
20
47
20.6
5205
25
52
20.6
5206
30
62
23.8
5207
35
72
27
5208
40
80
30.2
5209
45
85
30.2
5210
50
90
30.2
5211
55
100
33.3
5212
60
110
36.5
5213
65
120
38.1
5214
70
125
39.7
5215
75
130
41.3
5216
80
140
44.4
5217
85
150
49.2
5218
90
160
52.4
5219
95
170
55.6
5220
100
180
60.3
5222
110
200
69.8
Suffixes
1. Contact angle suffix
Suffix Contact angle
C 15°General type, suitable for high-speed and precision scenes
AC 25°Balanced radial/axial load, general design
B 40°High axial load capacity
2. Seal type suffix
2RS Double-sided rubber seal (anti-liquid intrusion)
2Z Double-sided iron cover seal (dust-proof)
3. Accuracy grade suffix
P0 Ordinary grade Standard tolerance
P5 High precision Precision equipment such as machine tool spindles
P4 Ultra-precision grade Special fields such as aerospace
4. Paired installation suffix
DB Back-to-back Enhanced stiffness, suitable for scenes with large bending moments
DF Face-to-face Compact axial size
DT Series Large unidirectional axial load
5. Cage material suffix
TN9 Nylon Lightweight, low noise
M Brass Heavy load, high temperature resistance
Application
Typical application scenarios
Machine tool industry: spindle support (DB pairing, α=15° or 25°).
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