Hot Forging Pulley Sheave

Pulley code

Wire rope diameter
d(mm)

Main dimension (mm) for Hot forging pulley sheave

Recommended
bearing model

Web thickness
(mm)

D

D1

R

b

W

f

D2

D3

B

ZZ1251A

10-14

355

400

7

37

28

8

55

65

86

211

14

ZZ1252A

60

70

88

212

14

ZZ1253A

65

75

90

213

14

ZZ1254A

70

80

92

214

14

ZZ2251A

>14-19

450

510

10

50

38

8

80

90

96

216

14

ZZ2252A

85

95

101

217

14

ZZ2253A

90

105

108

218

14

ZZ2254A

95

110

112

219

14

ZZ3251A

>19-24

560

631

12

60

46

10

95

110

114

219

16

ZZ3252A

100

115

118

220

16

ZZ3253A

110

125

128

222

16

ZZ3254A

120

130

132

224

16

ZZ4251A

>24-30

710

800

15

73

57

10

130

140

134

226

18

ZZ4252A

140

160

138

228

18

ZZ4253A

150

170

144

230

18

ZZ4254A

160

180

154

232

18

ZZ5251A

>30-37

900

1012

19

92

72

12

160

190

156

NJ232

20

ZZ5252A

170

200

164

NJ234

20

ZZ5253A

180

220

164

NJ236

20

ZZ5254A

190

220

170

NJ238

20

ZZ6251A

>37-42

1000

1126

22

104

82

12

160

190

156

NJ232

22

ZZ6252A

170

200

164

NJ234

22

ZZ6253A

180

220

164

NJ236

22

ZZ6254A

190

220

170

NJ238

22

ZZ7251A

>42-50

1250

1402

26

123

98

14

190

220

172

NJ238

25

ZZ7252A

200

240

178

NJ240

25

ZZ7253A

220

260

196

NJ244

25

ZZ7254A

240

280

210

NJ248

25

ZZ8251A

>50-58

1400

1572

29

135

110

14

190

220

172

NT238

25

ZZ8252A

200

240

178

NJ240

25

ZZ8253A

220

260

196

NJ244

25

ZZ8254A

240

280

210

NJ248

25