High Precision NTN Bearing , Angular Contact Ball Bearings 70000 DB Series
Detailed Product Description
Description:
Angular contact ball bearing can be subjected to both radial and axial load, it also can be subjected to pure axial load.Its axial load capacity depends on the contact angular and increase accordingly.It can be used for high speed and high precision equipments due to its high limit speed and pre-adjustable rigidity.
Single-row angular contact ball bearing only can be subjected to the single directional load.So normally this kind of bearingsare mounted by pair.
Quick Detail:
(1) have raceways in the inner and outer rings that are displaced with respect to eachother in direction of the bearing axis.
(2)This means that they are designed to accommodate combined loads, i.e, Simultaneously acting radial and axial loads.
(3)The axial load carrying capacity of increase with increasing contact angle.
(4)The contact angle is defined as the angle between the line joining the points of contact of the ball and the raceways in the radial plane, transmitted from one raceway to another.And a line perpendicular to the bearing axis.
(5)Features:
1.Load capacities are higher than deep groove ball bearing of same dimensions.
2.Used for bearing radial-axial combined loads or pure thrust loads.
The size includes
19 series, (1) 0 series, (0) 2 series, and (0) 3 series
some of them are listed below
Boundary dimensions(mm)
Basic load ratings(kN)
Limiting speeds(rpm)
Mass(Kg)
Bearing Number
d
D
2B
Cr
Cor
Grease
Oil
(Approx.)
HDBB
NTN
25
42
18
71905 C/DB
7905CDB
80
110
32
71916 C/DB
7916CDB
220
300
76
71944 C/DB
7944CDB
12
28
16
8.78
5.3
13000
18000
0.04
7001 C/DB
7001CDB
70
110
40
78
87
3400
4800
1.2
7014 C/DB
7014CDB
15
35
22
14
9.25
11000
15000
0.086
7202 C/DB
7202CDB
130
230
80
332
418
1500
2200
12.5
7226 C/DB
7226CDB
17
47
28
7303 C/DB
7303CDB
120
260
110
7324 C/DB
7324CDB
17
35
20
10.2
7.35
11000
15000
0.072
7003 AC/DB
7003DB
95
145
48
112
138
2600
3400
2.4
7019 AC/DB
7019DB
30
62
32
35.5
28.5
6300
9000
0.38
7206 AC/DB
7206DB
140
250
84
372
470
1300
2000
18.48
7228 AC/DB
7228DB
25
62
34
7305 AC/DB
7305DB
190
400
156
7338 AC/DB
7338DB
17
40
24
7203 B/DB
7203BDB
170
310
104
7234 B/DB
7234BDB
35
80
42
61.8
49
5300
7000
1.02
7307 B/DB
7307BDB
140
300
124
465
630
1200
1700
44.88
7328 B/DB
7328BDB
Competitive Advantage
1. Quality level: reach the same level as the Japanese and European bearings