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NR Type

 
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NR Type
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  • NR Type



d 25-85mm
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Principal dimensions （mm)

Basic load ratings KN

Pu (kN)

Speed ratings rpm (r/min)

Weight (kg)

Designation

Dimensions (mm)

Abutment and fillet dimensions (mm)

d

D

B

dyc Cr

Speed Ratings

Limiting Speed

Open type

With shield on one side

With shields on two sides

d

d1 ～

D2 ～

r1,2 Min

da Min

Da Max

ra Max
SRBF 1)对于2Z设计，其极限转速约为给出值的80％
SRBF 25 62 17 22.9 15.6 0.67 20000 13000 0.24 305 305-Z 305-2Z 25 32.8 52.7 1.1 31.5 55.5
SRBF 30 62 16 22.9 17.3 0.735 20000 12000 0.21 206 206-Z 206-2Z 30 36.2 54.1 1 35 57
SRBF 30 72 19 29.2 20.8 0.88 18000 11000 0.37 306 306-Z 306-2Z 30 43.9 61.9 1.1 36.5 65.5
SRBF 35 72 17 29.7 22.8 0.965 17000 11000 0.31 207 207-Z 207-2Z 35 41.7 62.7 1.1 41.5 65.5
SRBF 35 80 21 39.1 28.5 1.2 16000 10000 0.48 307 307-Z 307-2Z 35 43.7 69.2 1.5 43 72
SRBF 40 80 18 33.6 26.5 1.12 15000 9500 0.39 208 208-Z 208-2Z 40 48.9 69.8 1.1 46.5 73.5
SRBF 40 90 23 46.8 36 1.53 14000 9000 0.64 308 308-Z 308-2Z 40 50.5 77.7 1.5 48 82
SRBF 45 85 19 39.6 32.5 1.37 14000 9000 0.44 209 209-Z 209-2Z 45 52.5 75.2 1.1 51.5 78.5
SRBF 45 100 25 59.4 46.5 1.96 13000 8000 0.88 309 309-Z 309-2Z 45 55.9 86.7 1.5 53 92
SRBF 50 90 20 39.1 34.5 1.46 13000 8000 0.5 210 210-Z 210-2Z 50 57.5 81.7 1.1 56.5 83.5
SRBF 50 110 27 64.4 52 2.2 11000 7000 1.15 310 310-Z 310-2Z 50 67.5 95.2 2 59 101
SRBF 55 100 21 48.4 44 1.86 12000 7500 0.66 211 211-Z 211-2Z 55 63.1 89.4 1.5 63 92
SRBF 55 120 29 79.2 67 2.85 10000 6700 1.5 311 311-Z 311-2Z 55 74 104 2 64 111
SRBF 60 110 22 56.1 50 2.12 11000 6700 0.85 212 212-Z 212-2Z 60 70.1 97 1.5 68 102
SRBF 60 130 31 91.3 78 3.35 9500 6000 1.85 312 312-Z 312-2Z 60 80.3 113 2.1 71 119
SRBF 65 120 23 60.5 58.5 2.5 10000 6000 1.05 213 213-Z 213-2Z 65 83.3 106 1.5 73 112
SRBF 65 140 33 102 90 3.75 9000 5600 2.3 313 313-Z 313-2Z 65 86.8 122 2.1 76 129
SRBF 70 125 24 66 65.5 2.75 9500 6000 1.15 214 214-Z 214-2Z 70 87.1 111 1.5 78 117
SRBF 70 150 35 114 102 4.15 8000 5000 2.75 314 314-Z 314-2Z 70 93.2 130 2.1 81 139
SRBF 75 130 25 72.1 72 3 9000 5600 1.25 215 215-Z 215-2Z 75 92.1 117 1.5 83 122
SRBF 75 160 37 125 116 4.55 7500 4800 3.25 315 315-Z 315-2Z 75 99.7 139 2.1 86 149
SRBF 80 140 26 88 85 3.45 8500 5300 1.55 216 216-Z 216-2Z 80 88.8 127 2 89 131
SRBF 80 170 39 138 129 4.9 7000 4500 3.95 316 316-Z 316-2Z 80 106 147 2.1 91 159
SRBF 85 150 28 96.8 100 3.9 7500 4800 1.95 217 217-Z 217-2Z 85 97 135 2 94 141
SRBF 85 180 41 147 146 5.3 6700 4300 4.6 317 317-Z 317-2Z 85 113 156 3 98 167
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NR Type
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