• SKF MB, MBL Lock Washers (d 10-200 mm)
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SKF MB, MBL Lock Washers (d 10-200 mm)

SKF MB, MBL Lock Washers (d 10-200 mm)

SKF MB and MBL lock washers (tab washers) for securing KM and KML lock nuts on shafts and adapter sleeves.

Key features

  • Inner tab engages the shaft keyway or sleeve slot
  • Outer tabs bent into a nut slot to lock the nut
  • MB ... A versions with straight inner tab for adapter sleeves
  • MBL: low-section washers for KML nuts

Specifications

Product Lock washer
Use with KM / KML lock nuts
d Bore (thread) diameter
Source SKF General Catalogue 6000, p. 1016-1017
MB 0 Thread d: 10 mm | Outside d2: 21 mm | Thickness: 1 mm | Mass: 0.001 kg
MB 14 Thread d: 70 mm | Outside d2: 98 mm | Thickness: 1.5 mm | Mass: 0.032 kg
MB 14 A Thread d: 70 mm | Outside d2: 98 mm | Thickness: 2.5 mm | Mass: 0.053 kg
MB 1 Thread d: 12 mm | Outside d2: 25 mm | Thickness: 1 mm | Mass: 0.002 kg
MB 1 A Thread d: 12 mm | Outside d2: 25 mm | Thickness: 1.2 mm | Mass: 0.002 kg
MB 15 Thread d: 75 mm | Outside d2: 104 mm | Thickness: 1.5 mm | Mass: 0.035 kg
MB 15 A Thread d: 75 mm | Outside d2: 104 mm | Thickness: 2.5 mm | Mass: 0.058 kg
MB 2 Thread d: 15 mm | Outside d2: 28 mm | Thickness: 1 mm | Mass: 0.003 kg
MB 2 A Thread d: 15 mm | Outside d2: 28 mm | Thickness: 1.2 mm | Mass: 0.003 kg
MB 16 Thread d: 80 mm | Outside d2: 112 mm | Thickness: 1.75 mm | Mass: 0.046 kg
MB 16 A Thread d: 80 mm | Outside d2: 112 mm | Thickness: 2.5 mm | Mass: 0.066 kg
MB 3 Thread d: 17 mm | Outside d2: 32 mm | Thickness: 1 mm | Mass: 0.003 kg
MB 3 A Thread d: 17 mm | Outside d2: 32 mm | Thickness: 1.2 mm | Mass: 0.003 kg
MB 17 Thread d: 85 mm | Outside d2: 119 mm | Thickness: 1.75 mm | Mass: 0.053 kg
MB 17 A Thread d: 85 mm | Outside d2: 119 mm | Thickness: 2.5 mm | Mass: 0.076 kg
MB 4 Thread d: 20 mm | Outside d2: 36 mm | Thickness: 1 mm | Mass: 0.004 kg
MB 4 A Thread d: 20 mm | Outside d2: 36 mm | Thickness: 1.2 mm | Mass: 0.005 kg
MB 18 Thread d: 90 mm | Outside d2: 126 mm | Thickness: 1.75 mm | Mass: 0.061 kg
MB 18 A Thread d: 90 mm | Outside d2: 126 mm | Thickness: 2.5 mm | Mass: 0.087 kg
MB 5 Thread d: 25 mm | Outside d2: 42 mm | Thickness: 1.25 mm | Mass: 0.006 kg
MB 5 A Thread d: 25 mm | Outside d2: 42 mm | Thickness: 1.8 mm | Mass: 0.009 kg
MB 19 Thread d: 95 mm | Outside d2: 133 mm | Thickness: 1.75 mm | Mass: 0.066 kg
MB 19 A Thread d: 95 mm | Outside d2: 133 mm | Thickness: 2.5 mm | Mass: 0.094 kg
MB 6 Thread d: 30 mm | Outside d2: 49 mm | Thickness: 1.25 mm | Mass: 0.008 kg
MB 6 A Thread d: 30 mm | Outside d2: 49 mm | Thickness: 1.8 mm | Mass: 0.011 kg
MB 20 Thread d: 100 mm | Outside d2: 142 mm | Thickness: 1.75 mm | Mass: 0.077 kg
MB 20 A Thread d: 100 mm | Outside d2: 142 mm | Thickness: 2.5 mm | Mass: 0.11 kg
MB 7 Thread d: 35 mm | Outside d2: 57 mm | Thickness: 1.25 mm | Mass: 0.011 kg
MB 7 A Thread d: 35 mm | Outside d2: 57 mm | Thickness: 1.8 mm | Mass: 0.016 kg
MB 21 Thread d: 105 mm | Outside d2: 145 mm | Thickness: 1.75 mm | Mass: 0.083 kg
MB 8 Thread d: 40 mm | Outside d2: 62 mm | Thickness: 1.25 mm | Mass: 0.013 kg
MB 22 Thread d: 110 mm | Outside d2: 154 mm | Thickness: 1.75 mm | Mass: 0.091 kg
MB 8 A Thread d: 110 mm | Outside d2: 62 mm | Thickness: 1.8 mm | Mass: 0.018 kg
MB 23 Thread d: 115 mm | Outside d2: 159 mm | Thickness: 2 mm | Mass: 0.11 kg
MB 9 Thread d: 45 mm | Outside d2: 69 mm | Thickness: 1.25 mm | Mass: 0.015 kg
MB 9 A Thread d: 45 mm | Outside d2: 69 mm | Thickness: 1.8 mm | Mass: 0.021 kg
MBL 24 Thread d: 120 mm | Outside d2: 152 mm | Thickness: 2 mm | Mass: 0.07 kg
MB 24 Thread d: 120 mm | Outside d2: 164 mm | Thickness: 2 mm | Mass: 0.11 kg
MB 10 Thread d: 50 mm | Outside d2: 74 mm | Thickness: 1.25 mm | Mass: 0.016 kg
MB 10 A Thread d: 50 mm | Outside d2: 74 mm | Thickness: 2.3 mm | Mass: 0.023 kg
MB 25 Thread d: 125 mm | Outside d2: 170 mm | Thickness: 2 mm | Mass: 0.12 kg
MB 11 Thread d: 55 mm | Outside d2: 81 mm | Thickness: 1.5 mm | Mass: 0.022 kg
MBL 26 Thread d: 130 mm | Outside d2: 161 mm | Thickness: 2 mm | Mass: 0.08 kg
MB 11 A Thread d: 130 mm | Outside d2: 81 mm | Thickness: 2.5 mm | Mass: 0.037 kg
MB 26 Thread d: 130 mm | Outside d2: 175 mm | Thickness: 2 mm | Mass: 0.12 kg
MB 12 Thread d: 60 mm | Outside d2: 86 mm | Thickness: 1.5 mm | Mass: 0.024 kg
MB 27 Thread d: 135 mm | Outside d2: 185 mm | Thickness: 2 mm | Mass: 0.14 kg
MB 12 A Thread d: 135 mm | Outside d2: 86 mm | Thickness: 2.5 mm | Mass: 0.040 kg
MBL 28 Thread d: 140 mm | Outside d2: 172 mm | Thickness: 2 mm | Mass: 0.09 kg
MB 13 Thread d: 65 mm | Outside d2: 92 mm | Thickness: 1.5 mm | Mass: 0.030 kg
MB 28 Thread d: 65 mm | Outside d2: 192 mm | Thickness: 2 mm | Mass: 0.14 kg
MB 13 A Thread d: 65 mm | Outside d2: 92 mm | Thickness: 2.5 mm | Mass: 0.050 kg
MB 29 Thread d: 145 mm | Outside d2: 202 mm | Thickness: 2 mm | Mass: 0.17 kg
MBL 30 Thread d: 150 mm | Outside d2: 189 mm | Thickness: 2 mm | Mass: 0.10 kg
MB 30 Thread d: 150 mm | Outside d2: 205 mm | Thickness: 2 mm | Mass: 0.18 kg
MB 31 Thread d: 155 mm | Outside d2: 212 mm | Thickness: 2.5 mm | Mass: 0.20 kg
MBL 32 Thread d: 160 mm | Outside d2: 199 mm | Thickness: 2.5 mm | Mass: 0.14 kg
MB 32 Thread d: 160 mm | Outside d2: 217 mm | Thickness: 2.5 mm | Mass: 0.22 kg
MB 33 Thread d: 165 mm | Outside d2: 222 mm | Thickness: 2.5 mm | Mass: 0.24 kg
MBL 34 Thread d: 170 mm | Outside d2: 211 mm | Thickness: 2.5 mm | Mass: 0.15 kg
MB 34 Thread d: 170 mm | Outside d2: 232 mm | Thickness: 2.5 mm | Mass: 0.24 kg
MBL 36 Thread d: 180 mm | Outside d2: 222 mm | Thickness: 2.5 mm | Mass: 0.16 kg
MB 36 Thread d: 180 mm | Outside d2: 242 mm | Thickness: 2.5 mm | Mass: 0.26 kg
MBL 38 Thread d: 190 mm | Outside d2: 232 mm | Thickness: 2.5 mm | Mass: 0.17 kg
MB 38 Thread d: 190 mm | Outside d2: 252 mm | Thickness: 2.5 mm | Mass: 0.26 kg
MBL 40 Thread d: 200 mm | Outside d2: 245 mm | Thickness: 2.5 mm | Mass: 0.22 kg
MB 40 Thread d: 200 mm | Outside d2: 262 mm | Thickness: 2.5 mm | Mass: 0.28 kg
Lock Nuts & WashersSKF
67 product codes available in this family
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SKF MB, MBL Lock Washers (d 10-200 mm)

Brand SKF·Lock Nuts & Washers

Available part numbers (67)

MB 0, MB 14, MB 14 A, MB 1, MB 1 A, MB 15, MB 15 A, MB 2, MB 2 A, MB 16 + 57 more — see full table ↓

How to order

Send the SKF part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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RFQ List (0)
Product codeSpec
MB 0Thread d: 10 mm | Outside d2: 21 mm | Thickness: 1 mm | Mass: 0.001 kg
MB 14Thread d: 70 mm | Outside d2: 98 mm | Thickness: 1.5 mm | Mass: 0.032 kg
MB 14 AThread d: 70 mm | Outside d2: 98 mm | Thickness: 2.5 mm | Mass: 0.053 kg
MB 1Thread d: 12 mm | Outside d2: 25 mm | Thickness: 1 mm | Mass: 0.002 kg
MB 1 AThread d: 12 mm | Outside d2: 25 mm | Thickness: 1.2 mm | Mass: 0.002 kg
MB 15Thread d: 75 mm | Outside d2: 104 mm | Thickness: 1.5 mm | Mass: 0.035 kg
MB 15 AThread d: 75 mm | Outside d2: 104 mm | Thickness: 2.5 mm | Mass: 0.058 kg
MB 2Thread d: 15 mm | Outside d2: 28 mm | Thickness: 1 mm | Mass: 0.003 kg
MB 2 AThread d: 15 mm | Outside d2: 28 mm | Thickness: 1.2 mm | Mass: 0.003 kg
MB 16Thread d: 80 mm | Outside d2: 112 mm | Thickness: 1.75 mm | Mass: 0.046 kg
MB 16 AThread d: 80 mm | Outside d2: 112 mm | Thickness: 2.5 mm | Mass: 0.066 kg
MB 3Thread d: 17 mm | Outside d2: 32 mm | Thickness: 1 mm | Mass: 0.003 kg
MB 3 AThread d: 17 mm | Outside d2: 32 mm | Thickness: 1.2 mm | Mass: 0.003 kg
MB 17Thread d: 85 mm | Outside d2: 119 mm | Thickness: 1.75 mm | Mass: 0.053 kg
MB 17 AThread d: 85 mm | Outside d2: 119 mm | Thickness: 2.5 mm | Mass: 0.076 kg
MB 4Thread d: 20 mm | Outside d2: 36 mm | Thickness: 1 mm | Mass: 0.004 kg
MB 4 AThread d: 20 mm | Outside d2: 36 mm | Thickness: 1.2 mm | Mass: 0.005 kg
MB 18Thread d: 90 mm | Outside d2: 126 mm | Thickness: 1.75 mm | Mass: 0.061 kg
MB 18 AThread d: 90 mm | Outside d2: 126 mm | Thickness: 2.5 mm | Mass: 0.087 kg
MB 5Thread d: 25 mm | Outside d2: 42 mm | Thickness: 1.25 mm | Mass: 0.006 kg
MB 5 AThread d: 25 mm | Outside d2: 42 mm | Thickness: 1.8 mm | Mass: 0.009 kg
MB 19Thread d: 95 mm | Outside d2: 133 mm | Thickness: 1.75 mm | Mass: 0.066 kg
MB 19 AThread d: 95 mm | Outside d2: 133 mm | Thickness: 2.5 mm | Mass: 0.094 kg
MB 6Thread d: 30 mm | Outside d2: 49 mm | Thickness: 1.25 mm | Mass: 0.008 kg
MB 6 AThread d: 30 mm | Outside d2: 49 mm | Thickness: 1.8 mm | Mass: 0.011 kg
MB 20Thread d: 100 mm | Outside d2: 142 mm | Thickness: 1.75 mm | Mass: 0.077 kg
MB 20 AThread d: 100 mm | Outside d2: 142 mm | Thickness: 2.5 mm | Mass: 0.11 kg
MB 7Thread d: 35 mm | Outside d2: 57 mm | Thickness: 1.25 mm | Mass: 0.011 kg
MB 7 AThread d: 35 mm | Outside d2: 57 mm | Thickness: 1.8 mm | Mass: 0.016 kg
MB 21Thread d: 105 mm | Outside d2: 145 mm | Thickness: 1.75 mm | Mass: 0.083 kg
MB 8Thread d: 40 mm | Outside d2: 62 mm | Thickness: 1.25 mm | Mass: 0.013 kg
MB 22Thread d: 110 mm | Outside d2: 154 mm | Thickness: 1.75 mm | Mass: 0.091 kg
MB 8 AThread d: 110 mm | Outside d2: 62 mm | Thickness: 1.8 mm | Mass: 0.018 kg
MB 23Thread d: 115 mm | Outside d2: 159 mm | Thickness: 2 mm | Mass: 0.11 kg
MB 9Thread d: 45 mm | Outside d2: 69 mm | Thickness: 1.25 mm | Mass: 0.015 kg
MB 9 AThread d: 45 mm | Outside d2: 69 mm | Thickness: 1.8 mm | Mass: 0.021 kg
MBL 24Thread d: 120 mm | Outside d2: 152 mm | Thickness: 2 mm | Mass: 0.07 kg
MB 24Thread d: 120 mm | Outside d2: 164 mm | Thickness: 2 mm | Mass: 0.11 kg
MB 10Thread d: 50 mm | Outside d2: 74 mm | Thickness: 1.25 mm | Mass: 0.016 kg
MB 10 AThread d: 50 mm | Outside d2: 74 mm | Thickness: 2.3 mm | Mass: 0.023 kg
MB 25Thread d: 125 mm | Outside d2: 170 mm | Thickness: 2 mm | Mass: 0.12 kg
MB 11Thread d: 55 mm | Outside d2: 81 mm | Thickness: 1.5 mm | Mass: 0.022 kg
MBL 26Thread d: 130 mm | Outside d2: 161 mm | Thickness: 2 mm | Mass: 0.08 kg
MB 11 AThread d: 130 mm | Outside d2: 81 mm | Thickness: 2.5 mm | Mass: 0.037 kg
MB 26Thread d: 130 mm | Outside d2: 175 mm | Thickness: 2 mm | Mass: 0.12 kg
MB 12Thread d: 60 mm | Outside d2: 86 mm | Thickness: 1.5 mm | Mass: 0.024 kg
MB 27Thread d: 135 mm | Outside d2: 185 mm | Thickness: 2 mm | Mass: 0.14 kg
MB 12 AThread d: 135 mm | Outside d2: 86 mm | Thickness: 2.5 mm | Mass: 0.040 kg
MBL 28Thread d: 140 mm | Outside d2: 172 mm | Thickness: 2 mm | Mass: 0.09 kg
MB 13Thread d: 65 mm | Outside d2: 92 mm | Thickness: 1.5 mm | Mass: 0.030 kg
MB 28Thread d: 65 mm | Outside d2: 192 mm | Thickness: 2 mm | Mass: 0.14 kg
MB 13 AThread d: 65 mm | Outside d2: 92 mm | Thickness: 2.5 mm | Mass: 0.050 kg
MB 29Thread d: 145 mm | Outside d2: 202 mm | Thickness: 2 mm | Mass: 0.17 kg
MBL 30Thread d: 150 mm | Outside d2: 189 mm | Thickness: 2 mm | Mass: 0.10 kg
MB 30Thread d: 150 mm | Outside d2: 205 mm | Thickness: 2 mm | Mass: 0.18 kg
MB 31Thread d: 155 mm | Outside d2: 212 mm | Thickness: 2.5 mm | Mass: 0.20 kg
MBL 32Thread d: 160 mm | Outside d2: 199 mm | Thickness: 2.5 mm | Mass: 0.14 kg
MB 32Thread d: 160 mm | Outside d2: 217 mm | Thickness: 2.5 mm | Mass: 0.22 kg
MB 33Thread d: 165 mm | Outside d2: 222 mm | Thickness: 2.5 mm | Mass: 0.24 kg
MBL 34Thread d: 170 mm | Outside d2: 211 mm | Thickness: 2.5 mm | Mass: 0.15 kg
MB 34Thread d: 170 mm | Outside d2: 232 mm | Thickness: 2.5 mm | Mass: 0.24 kg
MBL 36Thread d: 180 mm | Outside d2: 222 mm | Thickness: 2.5 mm | Mass: 0.16 kg
MB 36Thread d: 180 mm | Outside d2: 242 mm | Thickness: 2.5 mm | Mass: 0.26 kg
MBL 38Thread d: 190 mm | Outside d2: 232 mm | Thickness: 2.5 mm | Mass: 0.17 kg
MB 38Thread d: 190 mm | Outside d2: 252 mm | Thickness: 2.5 mm | Mass: 0.26 kg
MBL 40Thread d: 200 mm | Outside d2: 245 mm | Thickness: 2.5 mm | Mass: 0.22 kg
MB 40Thread d: 200 mm | Outside d2: 262 mm | Thickness: 2.5 mm | Mass: 0.28 kg

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