Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.com
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  • Includes sleeve, hydraulic nut and lockwasher or lockplate.
  • Hydraulic assistance facilitates mounting of large bearing. Oil pump required to inject pressurized oil.
  • Other dimensions may be available, consult your Timken sales representative.
Metric OH Hydraulic Adapter Sleeve
Metric Hydraulic Adapter Sleeve2
Unit of Measure
1 2 3 

Part Number

d1

L

D3

Locknut

Lockwasher and Lockplates

Appropriate Hydraulic Nut

OH3032H N/A 140 mm N/A 93 mm N/A 190 mm N/A KML 32 N/A MBL32 N/A HMV 32
OH3132H N/A 140 mm N/A 119 mm N/A 210 mm N/A KM 32 N/A MB32 N/A HMV 32
OH3034H N/A 150 mm N/A 101 mm N/A 200 mm N/A KML 34 N/A MBL34 N/A HMV 34
OH3134H N/A 150 mm N/A 122 mm N/A 220 mm N/A KM 34 N/A MB34 N/A HMV 34
OH3936H N/A 160 mm N/A 87 mm N/A 210 mm N/A KML 36 N/A MBL36 N/A HMV 36
OH3036H N/A 160 mm N/A 109 mm N/A 210 mm N/A KML 36 N/A MBL36 N/A HMV 36
OH3136H N/A 160 mm N/A 131 mm N/A 230 mm N/A KM 36 N/A MB36 N/A HMV 36
OH3938H N/A 170 mm N/A 89 mm N/A 220 mm N/A KML 38 N/A MBL38 N/A HMV 38
OH3038H N/A 170 mm N/A 112 mm N/A 220 mm N/A KML 38 N/A MBL38 N/A HMV 38
OH3138H N/A 170 mm N/A 141 mm N/A 240 mm N/A KM 38 N/A MB38 N/A HMV 38
OH2338H N/A 170 mm N/A 169 mm N/A 240 mm N/A KM 38 N/A MB38 N/A HMV 38
OH3940H N/A 180 mm N/A 98 mm N/A 240 mm N/A KML 40 N/A MBL40 N/A HMV 40
OH3040H N/A 180 mm N/A 120 mm N/A 240 mm N/A KML 40 N/A MBL40 N/A HMV 40
OH3140H N/A 180 mm N/A 150 mm N/A 250 mm N/A KM 40 N/A MB40 N/A HMV 40
OH2340H N/A 180 mm N/A 176 mm N/A 250 mm N/A KM 40 N/A MB40 N/A HMV 40
OH3944H N/A 200 mm N/A 96 mm N/A 260 mm N/A HM3044 N/A MS3044 N/A HMV 44
OH3044H N/A 200 mm N/A 126 mm N/A 260 mm N/A HM3044 N/A MS3044 N/A HMV 44
OH3144H N/A 200 mm N/A 161 mm N/A 280 mm N/A HM44T N/A MB44 N/A HMV 44
OH2344H N/A 200 mm N/A 186 mm N/A 280 mm N/A HM44T N/A MB44 N/A HMV 44
OH3948H N/A 220 mm N/A 101 mm N/A 290 mm N/A HM3048 N/A MS3048 N/A HMV 48
OH3048H N/A 220 mm N/A 133 mm N/A 290 mm N/A HM3048 N/A MS3048 N/A HMV 48
OH3148H N/A 220 mm N/A 172 mm N/A 300 mm N/A HM48T N/A MB48 N/A HMV 48
OH2348H N/A 220 mm N/A 199 mm N/A 300 mm N/A HM48T N/A MB48 N/A HMV 48
OH3952H N/A 240 mm N/A 116 mm N/A 310 mm N/A HM3052 N/A MS3052 N/A HMV 52
OH3052H N/A 240 mm N/A 145 mm N/A 310 mm N/A HM3052 N/A MS3052 N/A HMV 52
OH3152H N/A 240 mm N/A 190 mm N/A 330 mm N/A HM52T N/A MB52 N/A HMV 52
OH2352H N/A 240 mm N/A 211 mm N/A 330 mm N/A HM52T N/A MB52 N/A HMV 52
OH3956H N/A 260 mm N/A 121 mm N/A 330 mm N/A HM3056 N/A MS3056 N/A HMV 56
OH3056H N/A 260 mm N/A 152 mm N/A 330 mm N/A HM3056 N/A MS3056 N/A HMV 56
OH3156H N/A 260 mm N/A 195 mm N/A 350 mm N/A HM56T N/A MB56 N/A HMV 56
OH2356H N/A 260 mm N/A 224 mm N/A 350 mm N/A HM56T N/A MB56 N/A HMV 56
OH3960H N/A 280 mm N/A 140 mm N/A 360 mm N/A HM3060 N/A MS3060 N/A HMV 60
OH3060H N/A 280 mm N/A 168 mm N/A 360 mm N/A HM3060 N/A MS3060 N/A HMV 60
OH3160H N/A 280 mm N/A 208 mm N/A 380 mm N/A HM3160 N/A MS3160 N/A HMV 60
OH3260H N/A 280 mm N/A 240 mm N/A 380 mm N/A HM3160 N/A MS3160 N/A HMV 60
OH3964H N/A 300 mm N/A 140 mm N/A 380 mm N/A HM3064 N/A MS3064 N/A HMV 64
OH3064H N/A 300 mm N/A 171 mm N/A 380 mm N/A HM3064 N/A MS3064 N/A HMV 64
OH3164H N/A 300 mm N/A 226 mm N/A 400 mm N/A HM3164 N/A MS3164 N/A HMV 64
OH3264H N/A 300 mm N/A 258 mm N/A 400 mm N/A HM3164 N/A MS3164 N/A HMV 64
OH3968H N/A 320 mm N/A 144 mm N/A 400 mm N/A HM3068 N/A MS3068 N/A HMV 68
OH3068H N/A 320 mm N/A 187 mm N/A 400 mm N/A HM3068 N/A MS3068 N/A HMV 68
OH3168H N/A 320 mm N/A 254 mm N/A 440 mm N/A HM3168 N/A MS3168 N/A HMV 68
OH3268H N/A 320 mm N/A 288 mm N/A 440 mm N/A HM3168 N/A MS3168 N/A HMV 68
OH3972H N/A 340 mm N/A 144 mm N/A 420 mm N/A HM3072 N/A MS3072 N/A HMV 72
OH3072H N/A 340 mm N/A 188 mm N/A 420 mm N/A HM3072 N/A MS3072 N/A HMV 72
OH3172H N/A 340 mm N/A 259 mm N/A 460 mm N/A HM3172 N/A MS3172 N/A HMV 72
OH3272H N/A 340 mm N/A 299 mm N/A 460 mm N/A HM3172 N/A MS3172 N/A HMV 72
OH3976H N/A 360 mm N/A 164 mm N/A 450 mm N/A HM3076 N/A MS3076 N/A HMV 76
OH3076H N/A 360 mm N/A 193 mm N/A 450 mm N/A HM3076 N/A MS3076 N/A HMV 76
OH3176H N/A 360 mm N/A 264 mm N/A 490 mm N/A HM3176 N/A MS3176 N/A HMV 76
Unit of Measure
1 2 3