PROFESSION MICRO BEARING MFG

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With Shield these bearings are available ZZ or RZ sheild,2RS seal and 2TS seals

* Excel Table

INCH SERIES WITH SHIELD/SEAL | WITHOUT FLANGED

　

　

　

　

　

　

Bore

　

Outside

　

Width

Standard

Standard

Standard

NTN Brand

NMB Brand

ISC/NSK

Ball

Load Ratings

MAX SPEED

Net Weigt

Diam. "d"

　

Diam. "D"

　

"B"

Reference

Reference

Reference

ITEM

ITEM

ITEM

Complement

(N)

ONLY FOR seal TYPE

　

　

　

　

　

　

　

　

　

NO.

NO.

NO.

　

　

RPM(X1000)

G /PC

inch

Inch

mm

inch

inch

mm

inch

inch

mm

Metal shield

Rubber seal

Teflon seal

Metal shield

Metal shield

Metal shield

No.

Size

Dyn.

Static

Grease

Oil

　

3/64"

0.0469

1.1913

5/32"

0.1562

3.9675

3/32"

0.0937

2.3800

R0ZZ

-

-

RA0ZZA

R1-2 1/2ZZ

R0ZZS

6

1/32

112

33

130

150

0.15

0.055"

0.055

1.3970

3/16"

0.1875

4.7625

7/64"

0.1094

2.7788

R1ZZ

-

-

RA1ZZA

R1-3ZZ

R1ZZS

5

3/64

232

67

110

130

0.19

5/64"

0.0781

1.9837

1/4"

0.25

6.3500

9/64"

0.1406

3.5712

-

-

RA1-4ZZA

RA1-4ZZ

R14ZZS

6

3/64

282

94

65

78

0.52

3/32"

0.0937

2.3800

3/16"

0.1875

4.7625

3/32"

0.0937

2.3800

-

-

RA133ZZA

R1-3332ZZ

R133ZZS

7

1/32

187

58

78

90

0.15

　

0.0000

5/16"

0.3125

7.9375

9/64"

0.1406

3.5712

-

-

RA1-5ZZA

R1-5ZZ

R15ZZS

6

1/16"

524

172

58

69

1.15

1/8"

0.125

3.1750

1/4"

0.25

6.3500

7/64"

0.1094

2.7788

RA144ZZA

R1-418ZZ

R144ZZS

7

1.0mm

310

105

65

78

0.4

0.0000

5/16"

0.3125

7.9375

9/64"

0.1406

3.5712

RA2-5ZZA

R1-518ZZ

R25ZZS

6

1/16"

551

175

58

65

0.74

0.0000

3/8"

0.375

9.5250

9/64"

0.1406

3.5712

RA2-6ZZA

R1-618ZZ

R26ZZS

6

1/16"

620

210

50

60

1.23

0.0000

3/8"

0.375

9.5250

5/32"

0.1562

3.9675

R2ZZ

R2ZZA

R-2ZZ

R2ZZS

7

1/16"

615

205

54

65

1.37

0.0000

1/2"

0.5

12.7000

0.1719"

0.1719

4.3663

RA2ZZ

R-2AZZ

R2AZZS

7

1/16"

610

197

50

60

3.3

5/32"

0.1562

3.9675

5/16"

0.3125

7.9375

1/8"

0.125

3.1750

RA155ZZA

R1-5532ZZ

R155ZZS

7

3/64"

345

125

50

60

0.61

3/16"

0.1875

4.7625

5/16"

0.3125

7.9375

1/8"

0.125

3.1750

RA156ZZA

R1-5632ZZ

R156ZZS

7

3/64

321

135

51

61

0.45

0.0000

3/8"

0.375

9.5250

1/8"

0.125

3.1750

RA166ZZA

R1-6632ZZ

R166ZZS

8

1/16"

615

216

45

55

0.85

0.0000

1/2"

0.5

12.7000

0.196"

0.196

4.9784

R3ZZ

R3ZZA

R-3ZZ

R3ZZS

7

3/32

1288

411

40

50

2.95

0.0000

5/8"

0.625

15.8750

0.196"

0.196

4.9784

RA3ZZ

-

-

8

3/32

1250

523

35

45

5.08

0.0000

11/16"

0.6875

17.4625

1/4"

0.25

6.3500

-

-

-

n/a

n/a

-

-

-

-

-

1/4"

0.25

6.3500

3/8"

0.375

9.5250

1/8"

0.125

3.1750

RA168ZZA

R1-614ZZ

R168ZZS

13

1.0mm

365

165

45

52

0.6

0.0000

1/2"

0.5

12.7000

3/16"

0.1875

4.7625

RA188ZZA

R1-814ZZ

R188ZZS

10

1/16"

1288

411

40

50

2.32

0.0000

5/8"

0.625

15.8750

0.196"

0.196

4.9784

R4ZZ

R4ZZ

R-4ZZ

R4ZZS

8

3/32

2112

751

32

40

4.54

0.0000

11/16"

0.6875

17.4625

1/4"

0.25

6.3500

-

-

-

n/a

n/a

-

-

-

-

-

0.0000

3/4"

0.75

19.0500

9/32"

0.2812

7.1425

RA4ZZ

R1-1214ZZ

R4AZZS

6

9/64

2331

765

32

40

10

5/16"

0.3125

7.9375

1/2"

0.5

12.7000

5/32"

0.1562

3.9675

-

R1-8516ZZ

R1810ZZS

11

1/16"

512

225

37

45

1.57

0.0000

7/8"

0.875

22.2250

9/32"

0.2812

7.1425

-

-

-

n/a

n/a

-

-

-

-

-

0.0000

0.9062"

0.9062

23.0175

5/16"

0.3125

7.9375

-

-

-

n/a

n/a

-

-

-

-

-

0.0000

5/8"

0.625

15.8750

5/32"

0.1562

3.9675

-

-

-

12

1/16"

522

266

32

43

1.89

3/8"

0.375

9.5250

5/8"

0.625

15.8750

5/32"

0.1562

3.9675

-

-

-

10

1/16"

422

189

30

41

1.65

0.0000

3/4"

0.75

19.0500

0.196"

0.196

4.9784

-

-

-

n/a

n/a

-

-

-

-

　

0.0000

7/8"

0.875

22.2250

9/32"

0.2812

7.1425

R6ZZ

R6ZZ

R1-1438ZZ

-

7

5/32

2588

1222

28

35

11.7

0.0000

7/8"

0.875

22.2250

9/32"

0.2812

7.1425

-

-

-

n/a

n/a

-

-

-

-

-

0.0000

0.9062"

0.9062

23.0175

5/16"

0.3125

7.9375

-

-

-

n/a

n/a

-

-

-

-

-

0.0000

1 1/8"

1.125

28.5750

3/8"

0.375

9.5250

-

-

-

n/a

n/a

-

-

-

-

-

7/16"

0.435

11.0490

0.9062"

0.9062

23.0175

5/16"

0.3125

7.9375

-

-

-

n/a

n/a

-

-

-

-

-

1/2"

0.5

12.7000

3/4"

0.75

19.0500

5/32"

0.1562

3.9675

-

-

-

16

1/16"

-

-

-

-

-

0.0000

7/8"

0.875

22.2250

1/4"

0.25

6.3500

-

-

-

n/a

n/a

-

-

-

-

-

0.0000

1 1/8"

1.125

28.5750

5/16"

0.3125

7.9375

R8ZZ

-

-

-

8

3/16"

4566

2122

25

30

24.1

0.0000

1 1/8"

1.125

28.5750

3/8"

0.375

9.5250

-

-

-

n/a

n/a

-

-

-

-

-

9/16"

0.5625

14.2875

1 3/8"

1.375

34.9250

7/16"

0.4375

11.1125

-

-

-

n/a

n/a

-

-

-

-

-

5/8"

0.625

15.8750

7/8"

0.875

22.2250

5/32"

0.1562

3.9675

-

-

-

18

1/16"

-

-

-

-

-

0.0000

1 3/8"

1.375

34.9250

11/32"

0.3438

8.7325

-

-

-

10

3/16"

5110

3125

18

21

38.1

3/4"

0.75

19.0500

1 5/8"

1.625

41.2750

7/16"

0.4375

11.1125

-

-

-

9

1/4"

-

4815

15

19

69.3

7/8"

0.875

22.2250

1 7/8"

1.875

47.6250

1/2"

0.5

12.7000

-

-

-

-

-

-

-

-

-

-

1"

1

25.4000

2"

2

50.8000

1/2"

0.5

12.7000

-

-

-

-

-

-

-

-

-

-

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