Linear Ball Bearings Round Flange Center Mount
Ball Bearings – Round Flange Center Mount EPFC
Z
Mounting Holes (x4)
Y
X
Dp
Df
D
dr
l
t
L
DIMENSIONAL INFORMATION
(Standard Steel Finish)
Part No. Standard Polymer Cage EPFC8G EPFC12G EPFC16G EPFC20G EPFC25G EPFC30G EPFC40G EPFC50G Part No. Standard Polymer Cage EPFC8G EPFC12G EPFC16G EPFC20G EPFC25G EPFC30G EPFC40G EPFC50G
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
59
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 61 68 80
±300 ±300 ±300 ±300 ±300 ±300 ±300 ±300
12 16 20 25 30 40 50
12 16 20 25 30 40 50
110 160 260 540 815
+11/-1 +11/-1 +13/-2 +13/-2 +16/-4 +16/-4
112 123 154 192
1805 2820
Nominal Diameter
Major Dimensions & Tolerances – Flange
Load Ratings
Dynamic C
Static Co
Size
dr
Tolerance
I
Df
T Dp
X
Y
Z Eccentricity Squareness
mm mm
μ m mmmmmmmmmmmmmm
μ m
μ m
N
N
8
8
+9/-1 +9/-1
20.5 32 27.5 42
5 6 6 8 8
24 32 36 43 51
3.5 6.5 3.1
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
4.5 4.5
8 8
4.1 4.1
1570 1780 2740 3140 5490 8040
+11/-1 +11/-1 +13/-2 +13/-2 +16/-4 +16/-4
31 36 52
46 54 62
5.5 9.3 5.1 5.5 9.3 5.1
1370 1570 2500 3430 6080
56.5 76 10 62
6.6
11 14 14
6.1 8.1 8.1
69
98 13 80
9 9
89.5 112 13 94
15900
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
pbclinear.com • Engineering Your Linear Motion Solutions 87
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