NN3008 K.M.SP Bearing 40x68x21mm
Min. Order:
1 Piece
Payment term:
T/T;Western Union;Paypal
Delivery time:
3 days for stocks;within 20days by order produce
Technical Parameters:
Product Designations:
NN3008 K.M.SP
Structure:
Tapered
Inside Diameter:
40 mm
Outside Diameter:
68 mm
Thickness:
21 mm
Weight:
0.303 KG
Precision Rating:
P5/ABCEC-5
Bearing Material:
Chrome steel GCR15
Seals Type:
Open
NN3008 K.M.SP Bearing 40x68x21mm
NN3008 K.M.SP bearing 40x68x21mm
cylindrical roller bearing
tapered bore
double row
ABEC-5 precision
NN3008 K.M.SP bearing details:
Bearing | Dimension(mm) | Weight | Interchange | |||
d | D | B | kg | FAG | SKF | |
NN3008K.M.SP | 40 | 68 | 21 | 0.303 | NN3008 ASK.M.SP | NN3008 KSP |
★ NN Series:
The bearing only have rib on the inner ring. The component of inner ring and rollers can separately assembled with the outer ring. The axial displacement between axis and shell is not astrict, thus the bearing could not take the axial load. But, comparing with the single row cylindrical roller bearing in the same dimension, the double row bearing is capable to carry large radial load. The bearing is especially suitable for supporting machine tool spindles.
★ NN…K Series:
The bearing’s structure is similar with NN series bearing, only the inner hole of the bearing is conical. Which is good for easy adjustment of the bearing, and convenient for assembly and disassembly. The bearing is popular used for machine tool spindles, to be installed in the cone axis,to adjust the radial clearance by the indentation of the inner ring.
★ NNU Series, NNU ... K Series:
The bearing only have rib on the outer ring. There are both cylindric hole and conical hole. The axial displacement between axis and shell is not astrict, thus the bearing could not take the axial load. But, comparing with the single row cylindrical roller bearing in the same dimension, the double row bearing is capable to carry large radial load.
★ NNCF Series:
There are 3 rib on the inner ring and 1 rib on the outer ring. The bearing is allowed to one direction axial displacement.
★ NNCL Series:
There are 3 rib on the inner ring and no rib on the outer ring. It is un-separated bearing.
★ Dimension Range:
Inner Ring Diameter Range:80mm-1500mm Outer Ring Diameter Range:100mm-1500mm
★ Tolerance:
capable to produce bearings with the accuracy P5, P4, P2, and special accuracy for spindle bearings, such as: SP, UP.
★ Radial Clearance:
The clearance C 1 is usually used for standard double row cylindrical roller bearing. we can also supply our customer cylindrical hole radial tolerance of C2, C3, and C2 for conical hole.
Dimensions(mm)
|
Code
|
rs
|
Mass(kg)
|
Load rating(kN)
|
Attainable speed (min-1)
|
||||
d
|
D
|
B
|
|
min
|
Cr
|
Cor
|
Greese
|
Oil
|
|
30
|
55
|
19
|
NN3006K.W33.M.SP
|
1
|
0.191
|
29
|
34
|
16000
|
19000
|
35
|
62
|
20
|
NN3007K.W33.M.SP
|
1
|
0.249
|
35.5
|
44
|
14000
|
17000
|
40
|
68
|
21
|
NN3008K.W33.M.SP
|
1
|
0.303
|
45
|
58.5
|
12000
|
15000
|
45
|
75
|
23
|
NN3009K.W33.M.SP
|
1
|
0.393
|
54
|
72
|
11000
|
14000
|
50
|
80
|
23
|
NN3010K.W33.M.SP
|
1
|
0.426
|
57
|
80
|
10000
|
13000
|
55
|
90
|
26
|
NN3011K.W33.M.SP
|
1.1
|
0.63
|
72
|
100
|
9000
|
11000
|
60
|
95
|
26
|
NN3012K.W33.M.SP
|
1.1
|
0.674
|
75
|
110
|
8500
|
10000
|
65
|
100
|
26
|
NN3013K.W33.M.SP
|
1.1
|
0.715
|
76.5
|
116
|
8000
|
9500
|
70
|
110
|
30
|
NN3014K.W33.M.SP
|
1.1
|
1.04
|
98
|
150
|
7000
|
8500
|
75
|
115
|
30
|
NN3015K.W33.M.SP
|
1.1
|
1.09
|
100
|
156
|
6700
|
8000
|
80
|
125
|
34
|
NN3016K.W33.M.SP
|
1.1
|
1.51
|
120
|
186
|
6300
|
7500
|
85
|
130
|
34
|
NN3017K.W33.M.SP
|
1.1
|
1.58
|
125
|
200
|
6000
|
7000
|
90
|
140
|
37
|
NN3018K.W33.M.SP
|
1.5
|
2.05
|
140
|
224
|
5600
|
6700
|
95
|
145
|
37
|
NN3019K.W33.M.SP
|
1.5
|
2.14
|
143
|
236
|
5300
|
6300
|
100
|
150
|
37
|
NN3020K.W33.M.SP
|
1.5
|
2.23
|
146
|
245
|
5300
|
6300
|
105
|
160
|
41
|
NN3021K.W33.M.SP
|
2
|
2.84
|
190
|
310
|
4800
|
5600
|
110
|
170
|
45
|
NN3022K.W33.M.SP
|
2
|
3.61
|
220
|
360
|
4500
|
5300
|
120
|
180
|
46
|
NN3024K.W33.M.SP
|
2
|
3.94
|
232
|
390
|
4300
|
5000
|
130
|
200
|
52
|
NN3026K.W33.M.SP
|
2
|
5.79
|
290
|
500
|
3800
|
4500
|
140
|
210
|
53
|
NN3028K.W33.M.SP
|
2
|
6.22
|
300
|
520
|
3600
|
4300
|
150
|
225
|
56
|
NN3030K.W33.M.SP
|
2.1
|
7.58
|
335
|
585
|
3400
|
4000
|
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High quality NN3008 K.M.SP ( 0.303 kg Mass, ID: 40 mm OD: 68 mm WD: 21 mm , P5/ABCEC-5 Accuracy Class , Chrome steel GCR15 Material ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. NN3008 K.M.SP. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
High quality NN3008 K.M.SP ( 0.303 kg Mass, ID: 40 mm OD: 68 mm WD: 21 mm , P5/ABCEC-5 Accuracy Class , Chrome steel GCR15 Material ), Just click the button " Contact Now " to mention your purchase Requirement , Quantity and Contact Method of your requested Bearing Item No. NN3008 K.M.SP. then click the button " Send " The web site will make your purchasing information sent to the supplier's mailbox, who will come to contact you upon they get your information at the first time.
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