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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  • Safe and effective tapered bore bearing assembly.
  • Includes mounting sleeve, locknut and lockwasher or lockplate.
  • Other dimensions may be available, consult your Timken sales representative.

* Adapters with a C1 dimension use a lockplate as the locking device as shown in the illustration; otherwise, a lockwasher is used as the locking device.
Adapter HU Accessory picture
Line Drawing Accessories Sleeves H Adapters
Unit of Measure
1 2 3 

Part Number

d1

L

C

C1

Thread G

D3

Locknut

Lockwasher and Lockplates

Appropriate Hydraulic Nut

CAD

H3932 N/A 140 mm N/A 78 mm N/A 27.5 mm N/A N/A M160x3 N/A 190 mm N/A KML32 N/A MBL32 N/A HMV32 N/A CAD Icon (for items table)
H3032 N/A 140 mm N/A 93 mm N/A 27.5 mm N/A N/A M160x3 N/A 190 mm N/A KML32 N/A MBL32 N/A HMV32 N/A CAD Icon (for items table)
H3132 N/A 140 mm N/A 119 mm N/A 28 mm N/A N/A M160x3 N/A 210 mm N/A KM32 N/A MB32 N/A HMV32 N/A CAD Icon (for items table)
H2332 N/A 140 mm N/A 147 mm N/A 28 mm N/A N/A M160x3 N/A 210 mm N/A KM32 N/A MB32 N/A HMV32 N/A CAD Icon (for items table)
H3934 N/A 150 mm N/A 79 mm N/A 27.5 mm N/A N/A M170x3 N/A 200 mm N/A KML34 N/A MBL34 N/A HMV34 N/A CAD Icon (for items table)
H3034 N/A 150 mm N/A 101 mm N/A 28.5 mm N/A N/A M170x3 N/A 200 mm N/A KML34 N/A MBL34 N/A HMV34 N/A CAD Icon (for items table)
H3134 N/A 150 mm N/A 122 mm N/A 29 mm N/A N/A M170x3 N/A 220 mm N/A KM34 N/A MB34 N/A HMV34 N/A CAD Icon (for items table)
H2334 N/A 150 mm N/A 154 mm N/A 29 mm N/A N/A M170x3 N/A 220 mm N/A KM34 N/A MB34 N/A HMV34 N/A CAD Icon (for items table)
H3936 N/A 160 mm N/A 87 mm N/A 29.5 mm N/A N/A M180x3 N/A 210 mm N/A KML36 N/A MBL36 N/A HMV36 N/A CAD Icon (for items table)
H3036 N/A 160 mm N/A 109 mm N/A 29.5 mm N/A N/A M180x3 N/A 210 mm N/A KML36 N/A MBL36 N/A HMV36 N/A CAD Icon (for items table)
H3136 N/A 160 mm N/A 131 mm N/A 30 mm N/A N/A M180x3 N/A 230 mm N/A KM36 N/A MB36 N/A HMV36 N/A CAD Icon (for items table)
H2336 N/A 160 mm N/A 161 mm N/A 30 mm N/A N/A M180x3 N/A 230 mm N/A KM36 N/A MB36 N/A HMV36 N/A CAD Icon (for items table)
H3938 N/A 170 mm N/A 89 mm N/A 30.5 mm N/A N/A M190x3 N/A 220 mm N/A KML38 N/A MBL38 N/A HMV38 N/A CAD Icon (for items table)
H3038 N/A 170 mm N/A 112 mm N/A 30.5 mm N/A N/A M190x3 N/A 220 mm N/A KML38 N/A MBL38 N/A HMV38 N/A CAD Icon (for items table)
H3138 N/A 170 mm N/A 141 mm N/A 31 mm N/A N/A M190x3 N/A 240 mm N/A KM38 N/A MB38 N/A HMV38 N/A CAD Icon (for items table)
H2338 N/A 170 mm N/A 169 mm N/A 31 mm N/A N/A M190x3 N/A 240 mm N/A KM38 N/A MB38 N/A HMV38 N/A CAD Icon (for items table)
H3940 N/A 180 mm N/A 98 mm N/A 31.5 mm N/A N/A M200x3 N/A 240 mm N/A KML40 N/A MBL40 N/A HMV40 N/A CAD Icon (for items table)
H3040 N/A 180 mm N/A 120 mm N/A 31.5 mm N/A N/A M200x3 N/A 240 mm N/A KML40 N/A MBL40 N/A HMV40 N/A CAD Icon (for items table)
H3140 N/A 180 mm N/A 150 mm N/A 31.5 mm N/A N/A M200x3 N/A 250 mm N/A KM40 N/A MB40 N/A HMV40 N/A CAD Icon (for items table)
H2340 N/A 180 mm N/A 176 mm N/A 32 mm N/A N/A M200x3 N/A 250 mm N/A KM40 N/A MB40 N/A HMV40 N/A CAD Icon (for items table)
H3944 N/A 200 mm N/A 96 mm N/A 30 mm N/A 41 mm N/A Tr220x4 N/A 260 mm N/A HM3044 N/A MS 3044 N/A HMV44 N/A CAD Icon (for items table)
H3044 N/A 200 mm N/A 126 mm N/A 30 mm N/A 41 mm N/A Tr220x4 N/A 260 mm N/A HM3044 N/A MS 3044 N/A HMV44 N/A CAD Icon (for items table)
H3144 N/A 200 mm N/A 161 mm N/A 35 mm N/A N/A Tr220x4 N/A 280 mm N/A HM44T N/A MB44 N/A HMV44 N/A CAD Icon (for items table)
H2344 N/A 200 mm N/A 186 mm N/A 35 mm N/A N/A Tr220x4 N/A 280 mm N/A HM44T N/A MB44 N/A HMV44 N/A CAD Icon (for items table)
H3948 N/A 220 mm N/A 101 mm N/A 34 mm N/A 46 mm N/A Tr240x4 N/A 290 mm N/A HM3048 N/A MS 3048 N/A HMV48 N/A CAD Icon (for items table)
H3048 N/A 220 mm N/A 133 mm N/A 34 mm N/A 46 mm N/A Tr240x4 N/A 290 mm N/A HM3048 N/A MS 3048 N/A HMV48 N/A CAD Icon (for items table)
H3148 N/A 220 mm N/A 172 mm N/A 37 mm N/A N/A Tr240x4 N/A 300 mm N/A HM48T N/A MB48 N/A HMV48 N/A CAD Icon (for items table)
H2348 N/A 220 mm N/A 199 mm N/A 37 mm N/A N/A Tr240x4 N/A 300 mm N/A HM48T N/A MB48 N/A HMV48 N/A CAD Icon (for items table)
H3952 N/A 240 mm N/A 116 mm N/A 34 mm N/A 46 mm N/A Tr260x4 N/A 310 mm N/A HM3052 N/A MS 3052 N/A HMV52 N/A CAD Icon (for items table)
H3052 N/A 240 mm N/A 145 mm N/A 34 mm N/A 46 mm N/A Tr260x4 N/A 310 mm N/A HM3052 N/A MS 3052 N/A HMV52 N/A CAD Icon (for items table)
H3152 N/A 240 mm N/A 190 mm N/A 39 mm N/A N/A Tr260x4 N/A 330 mm N/A HM52T N/A MB52 N/A HMV52 N/A CAD Icon (for items table)
H2352 N/A 240 mm N/A 211 mm N/A 39 mm N/A N/A Tr260x4 N/A 330 mm N/A HM52T N/A MB52 N/A HMV52 N/A CAD Icon (for items table)
H3956 N/A 260 mm N/A 121 mm N/A 38 mm N/A 50 mm N/A Tr280x4 N/A 330 mm N/A HM3056 N/A MS 3056 N/A HMV56 N/A CAD Icon (for items table)
H3056 N/A 260 mm N/A 152 mm N/A 38 mm N/A 50 mm N/A Tr280x4 N/A 330 mm N/A HM3056 N/A MS 3056 N/A HMV56 N/A CAD Icon (for items table)
H3156 N/A 260 mm N/A 195 mm N/A 41 mm N/A N/A Tr280x4 N/A 350 mm N/A HM56T N/A MB56 N/A HMV56 N/A CAD Icon (for items table)
H2356 N/A 260 mm N/A 224 mm N/A 41 mm N/A N/A Tr280x4 N/A 350 mm N/A HM56T N/A MB56 N/A HMV56 N/A CAD Icon (for items table)
H3960 N/A 280 mm N/A 140 mm N/A 42 mm N/A 54 mm N/A Tr300x4 N/A 360 mm N/A HM3060 N/A MS 3060 N/A HMV60 N/A CAD Icon (for items table)
H3060 N/A 280 mm N/A 168 mm N/A 42 mm N/A 54 mm N/A Tr300x4 N/A 360 mm N/A HM3060 N/A MS 3060 N/A HMV60 N/A CAD Icon (for items table)
H3160 N/A 280 mm N/A 208 mm N/A 40 mm N/A 53 mm N/A Tr300x4 N/A 380 mm N/A HM3160 N/A MS 3160 N/A HMV60 N/A CAD Icon (for items table)
H3260 N/A 280 mm N/A 240 mm N/A 40 mm N/A 53 mm N/A Tr300x4 N/A 380 mm N/A HM3160 N/A MS 3160 N/A HMV60 N/A CAD Icon (for items table)
H3964 N/A 300 mm N/A 140 mm N/A 42 mm N/A 55 mm N/A Tr320x5 N/A 380 mm N/A HM3064 N/A MS 3064 N/A HMV64 N/A CAD Icon (for items table)
H3064 N/A 300 mm N/A 171 mm N/A 42 mm N/A 55 mm N/A Tr320x5 N/A 380 mm N/A HM3064 N/A MS 3064 N/A HMV64 N/A CAD Icon (for items table)
H3164 N/A 300 mm N/A 226 mm N/A 42 mm N/A 56 mm N/A Tr320x5 N/A 400 mm N/A HM3164 N/A MS 3164 N/A HMV64 N/A CAD Icon (for items table)
H3264 N/A 300 mm N/A 258 mm N/A 42 mm N/A 56 mm N/A Tr320x5 N/A 400 mm N/A HM3164 N/A MS 3164 N/A HMV64 N/A CAD Icon (for items table)
H3968 N/A 320 mm N/A 144 mm N/A 45 mm N/A 58 mm N/A Tr340x5 N/A 400 mm N/A HM3068 N/A MS 3068 N/A HMV68 N/A CAD Icon (for items table)
H3068 N/A 320 mm N/A 187 mm N/A 45 mm N/A 58 mm N/A Tr340x5 N/A 400 mm N/A HM3068 N/A MS 3068 N/A HMV68 N/A CAD Icon (for items table)
H3168 N/A 320 mm N/A 254 mm N/A 55 mm N/A 72 mm N/A Tr340x5 N/A 440 mm N/A HM3168 N/A MS 3168 N/A HMV68 N/A CAD Icon (for items table)
H3268 N/A 320 mm N/A 288 mm N/A 55 mm N/A 72 mm N/A Tr340x5 N/A 440 mm N/A HM3168 N/A MS 3168 N/A HMV68 N/A CAD Icon (for items table)
H3972 N/A 340 mm N/A 144 mm N/A 45 mm N/A 58 mm N/A Tr360x5 N/A 420 mm N/A HM3072 N/A MS 3072 N/A HMV72 N/A CAD Icon (for items table)
H3072 N/A 340 mm N/A 188 mm N/A 45 mm N/A 58 mm N/A Tr360x5 N/A 420 mm N/A HM3072 N/A MS 3072 N/A HMV72 N/A CAD Icon (for items table)
Unit of Measure
1 2 3