21300 Series Spherical Roller Bearings
Standard Parameters
C3 = Internal clearnace
W33 = Lube groove will be provided unless otherwise specified
K = Taper bore, without K = Straight bore
Note : K suffix bearing adaptors, use the H200, H300, H2300 series adapters for metric bores. For inch shafts select SNW type or H-Type
Taper BoreBearingPart No. |
Straight BoreBearingPart No. |
Dimensions (mm) |
Basic Load Ratings in kN |
Speed Rating (r/min) |
Weight (kg) |
||||||||
Dynamic |
Static |
||||||||||||
d |
D |
B |
r |
d1 |
B1 |
C |
C0 |
Ref. Speed |
Limiting speed |
Bearing |
Sleeve |
||
|
21308 K
|
21308
|
40
|
90
|
23
|
1.5
|
35
|
36
|
104
|
108
|
7000
|
9500
|
0.7
|
0.2
|
|
21309 K
|
21309
|
45
|
100
|
25
|
1.5
|
40
|
39
|
125
|
127
|
6300
|
8500
|
0.9
|
0.2
|
|
21310 K
|
21310
|
50
|
110
|
27
|
2.0
|
45
|
42
|
156
|
166
|
5600
|
7500
|
1.2
|
0.3
|
|
21311 K
|
21311
|
55
|
120
|
29
|
2.0
|
50
|
45
|
156
|
166
|
5600
|
7500
|
1.6
|
0.3
|
|
21312 K
|
21312
|
60
|
130
|
31
|
2.1
|
55
|
47
|
212
|
240
|
4800
|
6300
|
1.9
|
0.4
|
|
21313 K
|
21313
|
65
|
140
|
33
|
2.1
|
60
|
50
|
236
|
270
|
4300
|
6000
|
2.4
|
0.5
|
|
21315 K
|
21315
|
75
|
160
|
37
|
2.1
|
65
|
55
|
285
|
325
|
4000
|
5600
|
3.6
|
0.8
|
|
21316 K
|
21316
|
80
|
170
|
39
|
2.1
|
70
|
59
|
325
|
375
|
3800
|
5300
|
4.2
|
1.0
|
|
21317 K
|
21317
|
85
|
180
|
41
|
3.0
|
75
|
63
|
325
|
375
|
3800
|
5300
|
4.9
|
1.2
|
|
21318 K
|
21318
|
90
|
190
|
43
|
3.0
|
80
|
65
|
380
|
450
|
3600
|
4800
|
5.7
|
1.4
|
|
21320 K
|
21320
|
100
|
215
|
47
|
3.0
|
90
|
71
|
425
|
490
|
3400
|
4500
|
8.2
|
1.6
|
High Temp Bearings, Inc. (c) 2011 | Main Office: 859-647-3504 |
Fax: 859-647-3502| 3370 Turfway Rd, ste. 180, Erlanger, KY 41018 | Sales@hightempbearings.com