ijk_catalog.pdf - 第24页

24 CONTROL BEARINGS ※ The pro ducts on this page are non plat ing. ※ DD teflon seal. BAS I C I NNE R RING OUT ER RING BE ARIN G WID T H WID T H DYNAMIC S T AT I C NUMBE R d D Bi Bo r min C Co (mm/inc h ) (mm/inc h ) (mm/…

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CONTROL BEARINGS
BASIC
INNER RING OUTER RING
BEARING WIDTH WIDTH DYNAMIC STATIC
NUMBER d D Bi Bo r min C Co
(mm/inch) (mm/inch) (mm/inch) (mm/inch) (mm/inch) (Kgf/N) (Kgf/N)
DW4K2X 6.35 15.875 14.27 12.7 0.13 635 227
0.2500 0.6250 0.5618 0.5000 0.005 6200 2200
DW4KX 6.35 19.05 22.22 19.05 0.13 1256 408
0.2500 0.7500 0.8748 0.7500 0.005 12300 4000
DW4X 6.35 19.05 22.22 19.05 0.13 1701 562
0.2500 0.7500 0.8748 0.7500 0.005 16700 5500
DW5X 7.938 22.225 23.83 20.65 0.13 2332 726
0.3125 0.8750 0.9382 0.8130 0.005 22900 7100
DW6X 9.525 26.988 30.18 27 0.13 3828 1179
0.3750 1.0625 1.1882 1.0630 0.005 27500 11600
Basic Load Ratings
BORE
O.D.
CHAMFER
24
CONTROL BEARINGS
※The products on this page are non plating.
※DD teflon seal.
BASIC
INNER RING OUTER RING
BEARING WIDTH WIDTH DYNAMIC STATIC
NUMBER d D Bi Bo r min C Co
(mm/inch) (mm/inch) (mm/inch) (mm/inch) (mm/inch) (Kgf/N) (Kgf/N)
B538 15.875 26.988 7.14 6.35 0.38 1487 680
B538DDX 0.6250 1.0625 0.2811 0.2500 0.015 14600 6700
B539 19.05 30.162 7.14 6.35 0.38 1701 771
B539DDX 0.7500 1.1875 0.2811 0.2500 0.015 16700 7600
B540 22.225 33.338 7.14 6.35 0.38 1914 862
B540DDX 0.8750 1.3125 0.2811 0.2500 0.015 18800 8500
B541 26.988 38.1 7.14 6.35 0.38 2268 998
B541DDX 1.0625 1.5000 0.2811 0.2500 0.015 22200 9800
B542 33.338 44.45 7.14 6.35 0.38 2699 1225
B542DDX 1.3125 1.7500 0.2811 0.2500 0.015 26500 12000
B543 39.688 50.8 7.14 6.35 0.38 3121 1452
B543DDX 1.5625 2.0000 0.2811 0.2500 0.015 30600 14200
BORE
O.D.
CHAMFER
Basic Load Ratings
25
MATERIAL
TOLERANCE
Radial Internal Clearance in Single Row Deep Groove Ball Bearings under No Load
values in 0.001mm
values in 0.001 inch
C Si Mn P S Cr Mo
0.95 0.15 Max Max Max 1.3
～1.10 ～0.35 ～0.5 ～0.025 ～0.025 ～1.6
0.95 Max Max Max Max 16 Max
1.2 1 1 ～0.04 ～0.03 ～18 ～0.75
Similar steel
Symbol
-
AISI52100
SUJ2
Chemical composition
SUS440C
AISI440C
JIS0 JIS6 JIS5 JIS4
ABEC1 ABEC3 ABEC5 ABEC7
P0 P6 P5 P4
Normal Class6 Class5 Class4
ISO492
JIS
ANSI/ABMA Std.20
DIN620
over incl
Low High Low High Low High Low High
10 - 7 2 13 8 23 14 29
10 18 - 9 3 18 11 25 18 33
18 24 - 10 5 20 13 28 20 36
24 30 - 11 5 20 13 28 23 41
30 40 - 11 6 20 15 33 28 46
40 50 - 11 6 23 18 36 30 51
50 65 - 15 8 28 23 43 38 61
C2
Nominal Bore Diameter
d (mm)
Normal
C3
C4
Radial Internal Clearance
over incl
Low High Low High Low High Low High
0.393701 - 0.28 0.08 0.51 0.31 0.91 0.55 1.14
0.393701 0.708661 - 0.35 0.12 0.71 0.43 0.98 0.71 1.30
0.708661 0.944882 - 0.39 0.20 0.79 0.51 1.10 0.79 1.42
0.944882 1.181102 - 0.43 0.20 0.79 0.51 1.10 0.91 1.61
1.181102 1.574803 - 0.43 0.24 0.79 0.59 1.30 1.10 1.81
1.574803 1.968504 - 0.43 0.24 0.91 0.71 1.42 1.18 2.01
1.968504 2.559055 - 0.59 0.31 1.10 0.91 1.69 1.50 2.40
Nominal Bore Diameter
d (inch)
Radial Internal Clearance
C2
Normal
C3
C4