Linear Ball Bearings Square Flange Mount
Ball Bearings – Square Flange Mount EPK
Mounting Holes (x4)
Z
X
Dp
Y
D
Df
dr
K
t
L
EPK Series
DIMENSIONAL INFORMATION
(Standard Steel Finish)
Part No. Standard Polymer Cage EPK8G EPK12G EPK16G EPK20G EPK25G EPK30G EPK40G EPK50G Part No. Standard Polymer Cage EPK8G EPK12G EPK16G EPK20G EPK25G EPK30G EPK40G EPK50G
Nominal Diameter
Major Dimensions & Tolerances
Weight
Size
dr
Tolerance
D
Tolerance
L
Tolerance
Ball Circuit
mm mm
mm
G
mm
mm
mm
mm
8
8
+0.008/0 +0.008/0
4 4 5 5 6 6 6 6
41 80
16 22 26 32 40 47 62 75
0/-0.013 0/-0.016 0/-0.016 0/-0.019 0/-0.019 0/-0.019 0/-0.022 0/-0.022
25 32 36 45 58 68 80
±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3 ±0.3
12 16 20 25 30 40 50
12 16 20 25 30 40 50
+0.009/-0.001 +0.009/-0.001 +0.011/-0.001 +0.011/-0.001 +0.013/-0.002 +0.013/-0.002
103 182 335 560
1175 1745
100
Nominal Diameter
Major Dimensions & Tolerances – Flange
Load Ratings
Dynamic C
Static Co
Size
dr
Tolerance
Df
K
T DP
X
Y
Z Eccentricity Squareness
mm mm
mm
mm mm mm mm mm mm mm
μ m
μ m
N
N
8
8
+0.008/0 +0.008/0
32 42
25 32 35 42 50 60 75
5 6 6 8 8
24 32 36 43 51 62 80 94
3.5 4.5 4.5 5.5 5.5 6.6
6.5 3.1
12 12 12 15 15 15 17 17
12 12 12 15 15 15 17 17
265 510 578 862 980
402 784 892
12 16 20 25 30 40 50
12
8 8
4.1 4.1
16 +0.009/-0.001 46 20 +0.009/-0.001 54 25 +0.011/-0.001 62 30 +0.011/-0.001 76 40 +0.013/-0.002 98
9.3 5.1 9.3 5.1
1370 1570 2740 4020 7940
10 13 13
11 14 14
6.1 8.1 8.1
1570 2160 3820
9 9
50 +0.013/-0.002 112 88
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
82 Round Shaft Technology • pbclinear.com
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