Linear Ball Bearings Square Flange Center Mount
Ball Bearings – Square Flange Center Mount EPKC
Z
Y
Mounting Holes (x4)
X
Dp
Df
D
dr
K
l
t
L
DIMENSIONAL INFORMATION
(Standard Steel Finish)
Part No. Standard Polymer Cage EPKC8G EPKC12G EPKC16G EPKC20G EPKC25G EPKC30G EPKC40G EPKC50G Part No. Standard Polymer Cage EPKC8G EPKC12G EPKC16G EPKC20G EPKC25G EPKC30G EPKC40G EPKC50G
Nominal Diameter
Major Dimensions & Tolerances
Weight
Size
dr
Tolerance
D
Tolerance
L
Tolerance
Ball Circuit
mm mm
μ m
G
mm
μ m
mm
μ m
8
8
+9/-1 +9/-1
4 4 5 5 6 6 6 6
51 90
16 22 26 32 40 47 62 75
0/-13 0/-16 0/-16 0/-19 0/-19 0/-19 0/-22 0/-22
45 57 70 80
±300 ±300 ±300 ±300 ±300 ±300 ±300 ±300
12 16 20 25 30 40 50
12 16 20 25 30 40 50
+11/-1 +11/-1 +13/-2 +13/-2 +16/-4 +16/-4
135 225 500 720
112 123 154 192
1600 2620
Nominal Diameter
Major Dimensions & Tolerances – Flange
Load Ratings
Dynamic C
Static Co
Size
dr
Tolerance
I
Df
K
T Dp
X Y
Z Eccentricity Squareness
mm mm
μ m
mm mm mm mm mm mm mm mm
μ m
μ m
N
N
8
8
+9/-1 +9/-1
20.5 32 27.5 42
25 32 35 42 50
5 6 6 8 8
24 32 36 43 51
3.5 6.5 3.1 4.5 8 4.1 4.5 8 4.1 5.5 9.3 5.1 5.5 9.3 5.1 6.6 11 6.1
15 15 15 17 17 17 20 20
15 15 15 17 17 17 20 20
421 813 921
804
12 16 20 25 30 40 50
12 16 20 25 30 40 50
1570 1780 2740 3140 5490 8040
+11/-1 +11/-1 +13/-2 +13/-2 +16/-4 +16/-4
31 36 52
46 54 62
1370 1570 2500 3430 6080
56.5 76
60 10 62 75 13 80
69
98
9 9
14 8.1 14 8.1
89.5 112 88 13 94
15900
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
86 Round Shaft Technology • pbclinear.com
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