Linear Ball Bearings Square Flange Center Mount
Ball Bearings – Square Flange Center Mount JPKC
Z
Y
X
Mounting Holes (x4)
Dp
Df
D
dr
K
t
l
L
JPKC Series
DIMENSIONAL INFORMATION
(Standard Steel Finish)
Part No. Standard Polymer Cage JPKC8G JPKC12G JPKC16G JPKC20G JPKC25G JPKC30G JPKC40G JPKC50G Part No. Standard Polymer Cage JPKC8G JPKC12G JPKC16G JPKC20G JPKC25G JPKC30G JPKC40G JPKC50G
Nominal Shaft 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
0/-10 0/-10 0/-10 0/-12 0/-12 0/-12 0/-15 0/-15
4 4 5 5 6 6 6 6
43 90
15 21 28 32 40 45 60 80
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
165 225 500 590
112 123 154 192
1380 3400
Nominal Shaft Diameter
Major Dimensions & Tolerances – Flange
Load Ratings
Dynamic C
Static Co
Size dr mm mm
Tolerance
I
Df
K
T Dp
X
Y
Z Eccentricity Squareness
μ m
mm mm mm mm mm mm mm mm
μ m
μ m
N
N
8
8
0/-10 0/-10 0/-10 0/-12 0/-12 0/-12 0/-15 0/-15
20
32
25 32 37 42 50
5 6 6 8 8
24 32 38 43 51
3.5 6.5 3.1
15 15 15 20 20 20 25 25
15 15 15 20 20 20 25 25
431 813
784
12 16 20 25 30 40 50
12 16 20 25 30 40 50
25.5 42
4.5 4.5
8 8
4.1 4.1
1570 2350 2740 3140 5490 8040
32 36 52
48 54 62
1230 1400 1560 2490 3430
5.5 9.3 5.1 5.5 9.3 5.1
56.5 74
58 10 60 75 13 78
6.6
11 14 14
6.1 8.1 8.1
69
96
9 9
89.5 116 92 13 98
6080 15900
Only certified Simplicity 60 Plus Shafting provides maximum linear bearing performance. Inch Series–page 52 Metric Series–page 90
106 Round Shaft Technology • pbclinear.com
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