FLANGED MINIATURE RADIAL BALL BEARING
Single Row Conrad. Open & Shielded

FR SERIES
INCH SIZES

Flanged Miniature Ball Bearing

Inner
Diameter

d

Outer Diameter

D

 Flange Diameter
Df		 Flange Width
Bf

Radius

r (min.)

Width

B

OPEN

Width

B

ZZ/2RS

Bearing Number

Basic load Ratings

(kgf)

Limiting speeds

x1000RPM

Mounting Dim.

(INCH)

 Ball Complement
(INCH)
Dynamic Static
mm inch

mm

 inch inch mm inch mm

mm

 inch

mm

 inch

mm

 inch

Open

 2 shields

Cr

Cor

Grease

Oil

Li

Lo

Qty

Dim

2.38 0.0937

4.762

 0.1875 0.234 5.944 0.018 0.457

0.1

 0.0039

2.38

 0.0937

2.38

 0.0937 FR133 FR133ZZ

17

 5.5

80

 95

-

 0.1654

10

 0.024
3.175 0.125

6.35

 0.25 0.296 7.158 0.023 0.584

0.1

 0.0039

2.38

 0.0937

2.779

 0.1094 FR144 FR144ZZ

29

 10

67

 80

0.154

 0.226

7

 0.039
   

7.938

 0.3125 0.359 9.119 0.023 0.584

0.1

 0.0039

2.78

 0.1094

3.571

 0.1406 FR2-5 FR2-5ZZ

57

 18

60

 67

0.172

 0.279

6

 0.0625
    9.525 0.375 0.422 10.719 0.023 0.584 0.15 0.0059 2.779 0.1094 3.571 0.1406 FR2-6 FR2-6ZZ 65 24 54 62 0.181 0.3228 7 0.0625
    9.525 0.375 0.44 11.176 0.03 0.762 0.3 0.0018 3.967 0.1562 3.967 0.1562 FR2 FR2ZZ 64 22 56 67 0.19 0.3142 7 0.0625
3.967 0.1562

7.938

 0.3125 0.359 9.119 0.023 0.584

0.1

 0.0039

2.779

 0.1094

3.175

 0.125 FR155 FR155Z

37

 15

53

 64

0.2177

 0.2756

10

 0.0394
4.7642 0.1875

7.938

 0.3125 0.359 9.119 0.023 0.584

0.1

 0.0039

2.779

 0.1094

3.175

 0.125 FR156 FR156ZZ

37

 15

53

 64

0.2177

 0.2756

10

 0.0394
   

9.525

 0.375 0.422 10.719 0.023 0.584

0.1

 0.0039

3.175

 0.125

3.175

 0.125 FR166 FR166ZZ

72

 28

50

 60

0.2343

 0.3228

8

 0.0625
   

12.7

 0.50 0.565 14.35 0.042 1.067

0.3

 0.0018

3.967

 0.1562

4.978

 0.1960 FR3 FR3ZZ

133

 50

43

 53

0.2559

 0.4390

7

 0.0937
6.35 0.25

9.525

 0.375 0.422 10.719 0.023 0.584

0.1

 0.0039

3.175

 0.125

3.175

 0.125 FR168 FR168ZZ

38

 18

48

 56

0.2787

 0.3369

11

 0.0394
   

12.7

 0.50 0.547 13.894 0.023 0.584

0.15

 0.0059

3.175

 0.125

4.762

 0.1875 FR188 FR188ZZ

110

 45

40

 50

0.2920

 0.443

8

 0.0787
    15.87 0.625 0.69 17.526 0.042 1.067 0.3 0.0018 4.978 0.1960 4.978 0.1960 FR4 FR4ZZ 151 63 38 45 0.3681 0.3307 8 0.0937
7.938 0.3125 12.7 0.50 0.5470 13.894 0.031 0.787 0.15 0.0059 3.967 0.1562 3.967 0.1562 FR1810 FR1810ZZ 55 28 40 48 0.3681 0.4390 12 0.0472
9.525 0.375 22.23 0.875 0.969 24.613 0.062 1.575 0.4 0.0157 5.558 0.2188 7.142 0.2812 FR6 FR6ZZ 340 145 32 38 0.4685 0.7835 7 0.1563
12.70 0.50 28.575 1.125 1.2252 31.12 0.062 1.575 0.4 0.0157 6.35 0.25 7.938 0.3125 FR8 FR8ZZ 521 246 27 32 0.6993 0.9291 8 0.1875

PLEASE NOTE: Stainless Steel Miniature Ball Bearing Dimensions will be same as stated in this catalog.

 

 

Back to Top