• NSK GR Ring Gauges for Housing Bore Measurement (26-200 mm)
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NSK GR Ring Gauges for Housing Bore Measurement (26-200 mm)

NSK GR Ring Gauges for Housing Bore Measurement (26-200 mm)

NSK GR ring gauges are master gauges for setting cylinder gauges to measure spindle housing bore diameters to 0.001 mm.

Key features

  • Reference master for cylinder gauge setting
  • Thick section ignores measuring pressure
  • Special heat treatment minimizes ageing
  • Measured values in X and Y directions marked to 0.001 mm
  • Sizes matched to 79, 70, 72, BNR and BER series

Specifications

Product Ring gauge (GR)
Purpose Housing bore measurement
Size range 26 - 200 mm
Marking X/Y values to 0.001 mm
Source NSK Super Precision Bearings, p. 124
GR26 Gauge bore d: 26 mm | D: 75 mm | B: 20 mm | Mass: 0.6 kg
GR28 Gauge bore d: 28 mm | D: 75 mm | B: 20 mm | Mass: 0.6 kg
GR30 Gauge bore d: 30 mm | D: 80 mm | B: 20 mm | Mass: 0.7 kg
GR32 Gauge bore d: 32 mm | D: 80 mm | B: 20 mm | Mass: 0.7 kg
GR35 Gauge bore d: 35 mm | D: 85 mm | B: 20 mm | Mass: 0.7 kg
GR37 Gauge bore d: 37 mm | D: 85 mm | B: 20 mm | Mass: 0.7 kg
GR40 Gauge bore d: 40 mm | D: 90 mm | B: 20 mm | Mass: 0.8 kg
GR42 Gauge bore d: 42 mm | D: 95 mm | B: 20 mm | Mass: 0.9 kg
GR47 Gauge bore d: 47 mm | D: 95 mm | B: 20 mm | Mass: 0.8 kg
GR52 Gauge bore d: 52 mm | D: 100 mm | B: 20 mm | Mass: 0.9 kg
GR55 Gauge bore d: 55 mm | D: 100 mm | B: 20 mm | Mass: 0.9 kg
GR62 Gauge bore d: 62 mm | D: 100 mm | B: 20 mm | Mass: 0.8 kg
GR68 Gauge bore d: 68 mm | D: 110 mm | B: 20 mm | Mass: 0.9 kg
GR72 Gauge bore d: 72 mm | D: 115 mm | B: 20 mm | Mass: 1.0 kg
GR75 Gauge bore d: 75 mm | D: 115 mm | B: 20 mm | Mass: 0.9 kg
GR80 Gauge bore d: 80 mm | D: 120 mm | B: 25 mm | Mass: 1.2 kg
GR85 Gauge bore d: 85 mm | D: 130 mm | B: 25 mm | Mass: 1.5 kg
GR90 Gauge bore d: 90 mm | D: 135 mm | B: 25 mm | Mass: 1.5 kg
GR95 Gauge bore d: 95 mm | D: 140 mm | B: 25 mm | Mass: 1.6 kg
GR100 Gauge bore d: 100 mm | D: 145 mm | B: 25 mm | Mass: 1.7 kg
GR105 Gauge bore d: 105 mm | D: 150 mm | B: 25 mm | Mass: 1.8 kg
GR110 Gauge bore d: 110 mm | D: 160 mm | B: 25 mm | Mass: 2.1 kg
GR115 Gauge bore d: 115 mm | D: 165 mm | B: 25 mm | Mass: 2.1 kg
GR120 Gauge bore d: 120 mm | D: 170 mm | B: 25 mm | Mass: 2.2 kg
GR125 Gauge bore d: 125 mm | D: 175 mm | B: 25 mm | Mass: 2.3 kg
GR130 Gauge bore d: 130 mm | D: 180 mm | B: 25 mm | Mass: 2.4 kg
GR140 Gauge bore d: 140 mm | D: 190 mm | B: 25 mm | Mass: 2.5 kg
GR145 Gauge bore d: 145 mm | D: 200 mm | B: 30 mm | Mass: 3.5 kg
GR150 Gauge bore d: 150 mm | D: 205 mm | B: 30 mm | Mass: 3.6 kg
GR160 Gauge bore d: 160 mm | D: 215 mm | B: 30 mm | Mass: 3.8 kg
GR165 Gauge bore d: 165 mm | D: 220 mm | B: 30 mm | Mass: 3.9 kg
GR170 Gauge bore d: 170 mm | D: 225 mm | B: 30 mm | Mass: 4.0 kg
GR180 Gauge bore d: 180 mm | D: 230 mm | B: 30 mm | Mass: 3.8 kg
GR190 Gauge bore d: 190 mm | D: 240 mm | B: 30 mm | Mass: 4.0 kg
GR200 Gauge bore d: 200 mm | D: 250 mm | B: 30 mm | Mass: 4.1 kg
Mounting & Dismounting ToolsNSK
35 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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NSK GR Ring Gauges for Housing Bore Measurement (26-200 mm)

Brand NSK·Mounting & Dismounting Tools

Available part numbers (35)

GR26, GR28, GR30, GR32, GR35, GR37, GR40, GR42, GR47, GR52 + 25 more — see full table ↓

How to order

Send the NSK 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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Product codeSpec
GR26Gauge bore d: 26 mm | D: 75 mm | B: 20 mm | Mass: 0.6 kg
GR28Gauge bore d: 28 mm | D: 75 mm | B: 20 mm | Mass: 0.6 kg
GR30Gauge bore d: 30 mm | D: 80 mm | B: 20 mm | Mass: 0.7 kg
GR32Gauge bore d: 32 mm | D: 80 mm | B: 20 mm | Mass: 0.7 kg
GR35Gauge bore d: 35 mm | D: 85 mm | B: 20 mm | Mass: 0.7 kg
GR37Gauge bore d: 37 mm | D: 85 mm | B: 20 mm | Mass: 0.7 kg
GR40Gauge bore d: 40 mm | D: 90 mm | B: 20 mm | Mass: 0.8 kg
GR42Gauge bore d: 42 mm | D: 95 mm | B: 20 mm | Mass: 0.9 kg
GR47Gauge bore d: 47 mm | D: 95 mm | B: 20 mm | Mass: 0.8 kg
GR52Gauge bore d: 52 mm | D: 100 mm | B: 20 mm | Mass: 0.9 kg
GR55Gauge bore d: 55 mm | D: 100 mm | B: 20 mm | Mass: 0.9 kg
GR62Gauge bore d: 62 mm | D: 100 mm | B: 20 mm | Mass: 0.8 kg
GR68Gauge bore d: 68 mm | D: 110 mm | B: 20 mm | Mass: 0.9 kg
GR72Gauge bore d: 72 mm | D: 115 mm | B: 20 mm | Mass: 1.0 kg
GR75Gauge bore d: 75 mm | D: 115 mm | B: 20 mm | Mass: 0.9 kg
GR80Gauge bore d: 80 mm | D: 120 mm | B: 25 mm | Mass: 1.2 kg
GR85Gauge bore d: 85 mm | D: 130 mm | B: 25 mm | Mass: 1.5 kg
GR90Gauge bore d: 90 mm | D: 135 mm | B: 25 mm | Mass: 1.5 kg
GR95Gauge bore d: 95 mm | D: 140 mm | B: 25 mm | Mass: 1.6 kg
GR100Gauge bore d: 100 mm | D: 145 mm | B: 25 mm | Mass: 1.7 kg
GR105Gauge bore d: 105 mm | D: 150 mm | B: 25 mm | Mass: 1.8 kg
GR110Gauge bore d: 110 mm | D: 160 mm | B: 25 mm | Mass: 2.1 kg
GR115Gauge bore d: 115 mm | D: 165 mm | B: 25 mm | Mass: 2.1 kg
GR120Gauge bore d: 120 mm | D: 170 mm | B: 25 mm | Mass: 2.2 kg
GR125Gauge bore d: 125 mm | D: 175 mm | B: 25 mm | Mass: 2.3 kg
GR130Gauge bore d: 130 mm | D: 180 mm | B: 25 mm | Mass: 2.4 kg
GR140Gauge bore d: 140 mm | D: 190 mm | B: 25 mm | Mass: 2.5 kg
GR145Gauge bore d: 145 mm | D: 200 mm | B: 30 mm | Mass: 3.5 kg
GR150Gauge bore d: 150 mm | D: 205 mm | B: 30 mm | Mass: 3.6 kg
GR160Gauge bore d: 160 mm | D: 215 mm | B: 30 mm | Mass: 3.8 kg
GR165Gauge bore d: 165 mm | D: 220 mm | B: 30 mm | Mass: 3.9 kg
GR170Gauge bore d: 170 mm | D: 225 mm | B: 30 mm | Mass: 4.0 kg
GR180Gauge bore d: 180 mm | D: 230 mm | B: 30 mm | Mass: 3.8 kg
GR190Gauge bore d: 190 mm | D: 240 mm | B: 30 mm | Mass: 4.0 kg
GR200Gauge bore d: 200 mm | D: 250 mm | B: 30 mm | Mass: 4.1 kg

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