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Brands
Regal Rexnord
Boston Gear

Boston Gear

Sort and Filter (1)

category

Worm Gear Reducers 6,517
Open Gears 2,663
Plain Bearings 2,112
Sprockets 1,447
Helical 1,440

Sheaves & Pulleys 459

Pneumatic Cylinders 410

Synchronous (Timing) Belts 228

Rod Ends 219

Shaft Collars 190

Pillow Blocks 164

Flange Units 153

Ball Bearings 126

Universal Joints 106

Jaw Couplings 68

AC Motors & Accessories 68

Bevel Gear Reducers 61

Chain 50

Roller Bearings 44

Tensioners, Tighteners & Idlers 42

Mufflers & Silencers 35

Sleeve Couplings 29

Electric Clutches & Brakes 28

Bearing Inserts 23

Elastomeric Couplings 18

Flow Controls & Pressure Regulators 15

Inline 14

Specialty Valves 11

Reducer Accessories 11

Take-Ups 11

Conveyor Components 9

Cross & Bearing Style Yokes 8

Hydraulic Cylinders 8

Pneumatic Connectors & Accessories 7

Torque Limiters & Accessories 6

Filters,Regulators & Lubricators 4

DC Motors & Accessories 2

Round Rail Products 2

Hand Tools 1

View Less

brand

Regal Rexnord 59,210
Boston Gear 59,210

Armature Voltage

90 V 2

Base Speed

1800 rpm 2

Bearing Type

Ball Bearing 186
Radial 80
Single Cone 20
Single Cup 18
Sintered Bronze Bearing 21

Thrust 15

View Less

Bore Size

0.5 in 85
0.25 in 63
0.75 in 229
0.125 in 51
0.125 in - 1/8 in 1

0.188 in - 3/16 in 16

0.219 in 6

0.250 in 117

0.250 in - 1/4 in 28

0.313 in - 5/16 in 27

0.375 in 130

0.375 in - 3/8 in 29

0.438 in - 7/16 in 27

0.500 in 95

0.500 in - 1/2 in 29

0.625 in 290

0.625 in - 5/8 in 22

0.750 in 83

0.750 in - 3/4 in 33

0.875 in 159

0.1875 in 202

0.1875 in - 3/16 in 1

0.3125 in 157

0.3125 in - 5/16 in 1

0.4375 in 9

0.4375 in - 7/16 in 1

0.5625 in 2

0.6875 in 1

0.09375 in 1

0.15625 in 18

1 in 227

1.000 in 88

1.000 in - 1 in 11

1.5 in 21

1.25 in 166

1.75 in 5

1.125 in 75

1.188 in 1

1.250 in 53

1.375 in 97

1.500 in 3

1.0625 in 10

1.625 in 3

1.1875 in 28

1.3125 in 9

1.4375 in 4

1.5625 in 2

1.6875 in 2

1.9375 in 2

2 in 1

2.5 in 1

View Less

Coupling Size

BF7 4
BF10 5
BF13 6
BF18 5
FA5 3

FA10 2

FA75 2

FC12 4

FC15 3

FC20 5

FC25 8

FC30 8

FC38 8

FC45 4

FCP21 5

FCP23 6

View Less

Diametral Pitch

3 28
4 54
5 60
6 247
7 4

8 340

10 307

12 326

14 14

16 329

18 4

19 4

20 236

24 236

30 5

32 228

48 208

64 27

View Less

Face Width

0.5 in 213
0.25 in 142
0.062 in 14
0.75 in 217
0.125 in 147

0.187 in 56

0.188 in 69

0.313 in 16

0.375 in 185

0.563 in 8

0.875 in 16

1 in 200

1.5 in 63

1.25 in 161

1.75 in 19

2 in 47

2.5 in 23

3 in 18

View Less

Frame

42CZ 78
56C 283
56CZ 1
140TC, 180C 42
143TC 3

145TC 7

180TC, 210C 10

182TC 5

184TC 3

213TC 1

215TC 1

N/A 186

SP 1

Special 20

View Less

Frame Size

42CZ 48
56C 506
140TC, 180C 258
180TC, 210C 172
210TC, 250UC 56

250TC 24

Shaft Input, Not a C-Face 406

SP 16

View Less

ID

0.5 in 56
0.19 in 6
0.63 in 7
0.69 in 6
0.75 in 75

0.88 in 2

0.125 in - 1/8 in 3

0.127 in 11

0.165 in 4

0.188 in 3

0.188 in - 3/16 in 4

0.189 in 11

0.191 in 5

0.250 in - 1/4 in 6

0.252 in 26

0.254 in 8

0.313 in 8

0.313 in - 5/16 in 4

0.314 in 31

0.316 in 2

0.375 in 15

0.375 in - 3/8 in 6

0.377 in 32

0.379 in 7

0.438 in 15

0.438 in - 7/16 in 5

0.439 in 19

0.441 in 3

0.453 in 1

0.500 in - 1/2 in 6

0.502 in 40

0.504 in 7

0.563 in 22

0.563 in - 9/16 in 5

0.565 in 10

0.625 in 54

0.625 in - 5/8 in 5

0.626 in 2

0.627 in 31

0.628 in 9

0.688 in 15

0.688 in - 11/16 in 5

0.693 in 1

0.750 in - 3/4 in 5

0.752 in 3

0.753 in 40

0.755 in 6

0.813 in 10

0.813 in - 13/16 in 3

0.816 in 26

0.875 in 48

0.875 in - 7/8 in 5

0.877 in 4

0.938 in 11

0.938 in - 15/16 in 4

0.941 in 10

0.4992 in 1

1 1/2 in 6

1 1/4 in 27

1 1/8 in 13

1 1/16 in 2

1 3/4 in 1

1 3/8 in 5

1 3/16 in 4

1 5/8 in 1

1 5/16 in 1

1 7/8 in 1

1 11/16 in 1

1 in 126

1.000 in - 1 in 6

1.003 in 35

1.005 in 5

1.5 in 53

1.012 in 1

1.13 in 3

1.25 in 70

1.063 in 4

1.063 in - 1 1/16 in 4

1.066 in 4

1.75 in 40

1.125 in 36

1.125 in - 1 1/8 in 5

1.128 in 15

1.188 in 19

1.188 in - 1 3/16 in 4

1.191 in 9

1.250 in - 1 1/4 in 5

1.253 in 18

1.255 in 4

1.313 in 8

1.313 in - 1 5/16 in 4

1.316 in 5

1.375 in 27

1.375 in - 1 3/8 in 3

1.378 in 9

1.438 in 18

1.438 in - 1 7/16 in 4

1.441 in 5

1.496 in 1

1.500 in - 1 1/2 in 5

1.503 in 17

1.506 in 4

1.563 in 3

1.563 in - 1 9/16 in 2

1.625 in 12

1.625 in - 1 5/8 in 2

1.628 in 8

1.688 in 12

1.688 in - 1 11/16 in 2

1.691 in 4

1.750 in - 1 3/4 in 3

1.753 in 6

1.756 in 1

1.813 in 3

1.875 in 11

1.875 in - 1 7/8 in 3

1.881 in 1

1.938 in 13

1.938 in - 1 15/16 in 4

1.941 in 3

1.3775 in 1

1/2 in 100

1/4 in 50

1/8 in 6

2 1/2 in 1

2 1/4 in 1

2 1/16 in 1

2 3/4 in 1

2 3/8 in 1

2 7/8 in 2

2 in 43

2.000 in - 2 in 5

2.003 in 8

2.5 in 23

2.006 in 1

2.25 in 21

2.75 in 11

2.125 in 7

2.125 in - 2 1/8 in 1

2.165 in 1

2.188 in 9

2.188 in - 2 3/16 in 2

2.250 in - 2 1/4 in 2

2.254 in 2

2.375 in 6

2.375 in - 2 3/8 in 2

2.379 in 3

2.438 in 10

2.438 in - 2 7/16 in 2

2.500 in - 2 1/2 in 2

2.504 in 3

2.559 in 1

2.625 in 7

2.625 in - 2 5/8 in 2

2.688 in 1

2.688 in - 2 11/16 in 2

2.750 in - 2 3/4 in 2

2.755 in 3

2.875 in 1

2.875 in - 2 7/8 in 2

2.938 in 3

2.938 in - 2 15/16 in 2

3 1/2 in 1

3 in 24

3.000 in - 3 in 2

3.004 in 3

3.5 in 13

3.25 in 6

3.75 in 6

3.438 in 2

3/4 in 67

3/8 in 63

3/16 in 19

4 in 13

4.5 in 7

4.25 in 8

4.75 in 1

5 in 5

5.5 in 4

5/8 in 83

5/16 in 21

6 in 4

6.5 in 3

7/8 in 17

7/16 in 21

8 in 1

9/16 in 14

11/16 in 2

13/16 in 1

15/16 in 2

N/A 18

View Less

Input Shaft or Bore Size

1 1/2 in 51
1 1/4 in 36
1 1/8 in 182
1 3/8 in 56
1 5/8 in 24

1 in 43

1/2 in 234

3/4 in 87

3/8 in 63

5/8 in 875

5/16 in 75

7/8 in 395

View Less

Length

1 1/2 in 148
1 1/4 in 114
1 1/8 in 13
1 1/16 in 2
1 3/4 in 70

1 3/8 in 16

1 5/8 in 12

1 7/8 in 4

1 7/16 in 1

1 ft 3

1 in 234

1/2 in 58

1/4 in 12

1/8 in 3

2 1/2 in 78

2 1/4 in 29

2 1/8 in 5

2 3/4 in 13

2 ft 5

2 in 146

3 1/2 in 41

3 1/4 in 8

3 3/4 in 4

3 in 108

3/4 in 103

3/8 in 34

3/32 in 2

3/50 in 2

4 1/2 in 29

4 1/4 in 4

4 3/4 in 3

4 ft 22

4 in 65

5 1/2 in 7

5 1/4 in 3

5 in 41

5/8 in 62

5/16 in 3

6 1/2 in 14

6 1/4 in 5

6 3/4 in 1

6 ft 20

6 in 26

7 1/4 in 2

7 in 9

7/8 in 46

7/16 in 2

8 in 4

9 3/4 in 1

9 in 1

9/16 in 27

11/16 in 2

13/16 in 2

13/32 in 1

View Less

Motor Application

Brake Motor, General Purpose 7
General Purpose 57
General Purpose, Explosion Proof 2

Mounting

C-Face - Less Base 62
C-Face - Removable Base 2
C-Face - With Base 2

No of Teeth

5 6
6 12
7 6
8 40
9 31

10 74

11 70

12 141

13 88

14 123

15 167

16 178

17 93

18 192

19 97

20 250

21 88

22 107

23 57

24 193

25 124

26 79

27 34

28 124

29 16

30 192

31 8

32 102

33 12

34 25

35 42

36 107

37 7

38 18

39 9

40 173

41 5

42 33

43 5

44 24

45 54

46 5

47 5

48 104

49 5

50 78

51 5

52 14

53 5

54 37

55 8

56 26

57 5

58 5

59 5

60 122

61 5

62 9

63 5

64 35

65 5

66 13

67 5

68 5

69 5

70 12

71 5

72 71

73 5

74 5

75 5

76 5

77 5

78 5

79 5

80 59

81 5

82 5

83 5

84 30

85 5

86 5

87 5

88 9

89 5

90 10

91 5

92 5

93 5

94 5

95 5

96 58

97 5

98 5

99 5

100 29

101 3

102 3

103 3

104 3

105 3

106 3

107 3

108 10

109 3

110 5

111 3

112 16

113 3

114 3

115 3

116 3

117 3

118 3

119 3

120 25

121 1

122 1

123 1

124 1

125 1

126 1

127 1

128 12

132 1

140 5

144 18

160 11

168 2

180 4

192 11

200 3

216 1

View Less

OD

0.5 in 21
0.7 in 2
0.8 in 2
0.9 in 2
0.25 in 3

0.69 in 10

0.75 in 18

0.94 in 2

0.252 in 9

0.313 in 8

0.314 in 5

0.315 in 8

0.375 in 13

0.376 in 5

0.377 in 19

0.378 in 2

0.439 in 20

0.469 in 4

0.500 in - 1/2 in 1

0.501 in 3

0.502 in 28

0.563 in 10

0.565 in 14

0.625 in 14

0.626 in 6

0.627 in 8

0.628 in 19

0.656 in 5

0.691 in 8

0.694 in 9

0.750 in - 3/4 in 1

0.751 in 7

0.753 in 32

0.805 in 3

0.813 in - 13/16 in 16

0.815 in 16

0.859 in 1

0.875 in 15

0.875 in - 7/8 in 1

0.876 in 7

0.878 in 30

0.902 in 8

0.906 in 5

0.938 in 1

0.941 in 9

0.3125 in 8

0.4375 in 6

0.5625 in 9

0.6875 in 6

0.8125 in 12

0.28125 in 2

0.78125 in 2

0.84375 in 1

0.90625 in 6

1 in 64

1-0.313 in 12

1-1/16 in 15

1-3/16 in 14

1-7/16 in 10

1-9/16 in 7

1-10.313 in 5

1-11/16 in 11

1-13/16 in 7

1.000 in - 1 in 1

1.001 in 6

1.003 in 34

1.5 in 63

1.12 in 11

1.25 in 55

1.37 in 12

1.047 in 1

1.049 in 6

1.61 in 13

1.62 in 14

1.063 in - 1 1/16 in 9

1.75 in 67

1.87 in 2

1.98 in 1

1.125 in 47

1.126 in 2

1.128 in 25

1.191 in 5

1.250 in - 1 1/4 in 10

1.251 in 5

1.253 in 26

1.266 in 1

1.277 in 8

1.316 in 15

1.375 in 56

1.376 in 3

1.378 in 17

1.422 in 1

1.441 in 2

1.495 in 7

1.500 in - 1 1/2 in 11

1.501 in 3

1.503 in 26

1.0625 in 2

1.625 in 53

1.745 in 4

1.750 in - 1 3/4 in 9

1.751 in 4

1.781 in 1

1.816 in 2

1.875 in 31

1.875 in - 1 7/8 in 9

1.891 in 1

1.902 in 6

1.938 in 1

1.939 in 3

1.1875 in 14

1.3125 in 4

1.4375 in 5

1.5625 in 10

1.6875 in 1

1.8701 in 7

1.09375 in 5

1.65625 in 1

1.96875 in 2

2 in 66

2-0.313 in 6

2-1/16 in 5

2-3/16 in 5

2-7/16 in 4

2-10.313 in 3

2-11/16 in 4

2.000 in - 2 in 9

2.001 in 1

2.004 in 11

2.5 in 35

2.12 in 7

2.016 in 1

2.25 in 43

2.37 in 7

2.48 in 1

2.62 in 4

2.067 in 11

2.75 in 30

2.76 in 12

2.87 in 11

2.125 in 20

2.125 in - 2 1/8 in 8

2.126 in 1

2.129 in 3

2.152 in 1

2.191 in 4

2.250 in - 2 1/4 in 9

2.251 in 1

2.316 in 3

2.328 in 1

2.375 in 19

2.375 in - 2 3/8 in 7

2.379 in 5

2.402 in 1

2.469 in 5

2.500 in - 2 1/2 in 7

2.504 in 3

2.531 in 1

2.625 in 14

2.754 in 5

2.844 in 1

2.859 in 1

2.875 in 9

2.4375 in 2

2.5625 in 7

2.09375 in 1

2.59375 in 1

3 in 34

3-0.375 3

3-1/8 in 9

3-3/16 in 1

3-5/8 in 1

3-10.313 in 2

3.000 in - 3 in 7

3.0E-37 20

3.005 in 3

3.5 in 24

3.25 in 20

3.068 in 15

3.75 in 11

3.76 in 14

3.250 in - 3 1/4 in 12

3.255 in 3

3.265 in 1

3.500 in - 3 1/2 in 7

3.505 in 3

3.543 in 1

3.3125 in 1

3/4 in 44

3/8 4

4 in 21

4-1/8 in 1

4.000 in - 4 in 4

4.5 in 15

4.25 in 14

4.026 in 14

4.75 in 9

4.134 in 1

4.250 in - 4 1/4 in 6

4.500 in - 4 1/2 in 6

5 in 22

5.5 in 8

5/8 in 26

6 in 10

6.5 in 6

7 in 7

7.5 in 6

7/8 in 33

7/16 in 6

8 in 6

9 in 4

10.313 in 17

10.628 in 16

10.753 in 16

10.878 in 9

11/16 in 15

13/16 in 21

View Less

Output Shaft or Bore Size

1 1/2 in 9
1 1/4 in 152
1 1/8 in 285
1 3/4 in 2
1 3/8 in 221

1 3/16 in 13

1 5/8 in 167

1 7/16 in 44

1 15/16 in 21

1 in 206

1/2 in 183

2 1/4 in 118

2 in 148

3/4 in 104

5/8 in 224

7/8 in 190

View Less

Pitch Diameter

0.4 in 2
0.5 in 28
0.6 in 3
0.8 in 2
0.25 in 6

0.43 in 3

0.67 in 1

0.68 in 2

0.75 in 18

0.86 in 1

0.87 in 2

0.93 in 2

0.125 in 1

0.167 in 1

0.188 in 4

0.208 in 2

0.281 in 1

0.287 in 1

0.292 in 2

0.312 in 7

0.333 in 14

0.335 in 1

0.344 in 2

0.359 in 1

0.375 in 11

0.417 in 8

0.419 in 1

0.438 in 10

0.458 in 1

0.469 in 2

0.479 in 1

0.525 in 1

0.537 in 1

0.558 in 1

0.575 in 1

0.583 in 1

0.625 in 23

0.637 in 1

0.656 in 1

0.667 in 1

0.716 in 1

0.718 in 1

0.765 in 1

0.833 in 14

0.837 in 1

0.938 in 6

0.956 in 1

0.958 in 1

1 in 65

1.1 in 1

1.2 in 3

1.3 in 1

1.4 in 1

1.05 in 2

1.5 in 71

1.6 in 2

1.7 in 3

1.8 in 1

1.9 in 1

1.14 in 2

1.15 in 1

1.25 in 67

1.35 in 1

1.37 in 2

1.042 in 6

1.45 in 1

1.55 in 1

1.65 in 1

1.075 in 1

1.75 in 9

1.85 in 1

1.86 in 2

1.95 in 1

1.116 in 1

1.312 in 1

1.313 in 1

1.333 in 5

1.375 in 2

1.433 in 1

1.438 in 1

1.563 in 1

1.625 in 1

1.667 in 22

1.688 in 1

1.813 in 1

1.833 in 1

1.875 in 10

1.917 in 1

1.938 in 1

1.5625 in 6

2 in 89

2.1 in 2

2.2 in 2

2.3 in 2

2.4 in 2

2.05 in 1

2.5 in 72

2.6 in 2

2.7 in 2

2.8 in 2

2.9 in 2

2.15 in 1

2.25 in 6

2.29 in 2

2.033 in 3

2.35 in 1

2.45 in 1

2.55 in 1

2.063 in 1

2.65 in 1

2.75 in 4

2.083 in 7

2.85 in 1

2.95 in 1

2.125 in 3

2.167 in 1

2.188 in 1

2.313 in 1

2.333 in 1

2.375 in 1

2.417 in 1

2.438 in 1

2.563 in 1

2.583 in 1

2.625 in 2

2.667 in 2

2.688 in 1

2.813 in 1

2.833 in 1

2.875 in 2

2.917 in 1

2.938 in 1

3 in 75

3.1 in 2