Model

Model search

  • Model query
  • d - Bore (mm)
  • D - Outer Diameter (mm)
  • B - Width (mm)
  • Cr - Dynamic Radial Rating
  • Cor - Static Radial Rating

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  Deep groove ball bearings

Part Number

d - Bore

D - Outer Diameter

B - Width

Cr - Dynamic Radial Rating

Cor - Static Radial Rating

Reference speed

Limiting speed

W 618/4 R 4 mm 9 mm 2.5 mm 0.364 N 0.114 N 140000 rpm 85000 rpm
W 618/4 4 mm 9 mm 2.5 mm 0.364 N 0.114 N 140000 rpm 85000 rpm
W 618/3 R 3 mm 7 mm 2 mm 0.178 N 0.057 N 160000 rpm 100000 rpm
W 618/3 3 mm 7 mm 2 mm 0.178 N 0.057 N 160000 rpm 100000 rpm
W 618/2.5 R 2.5 mm 6 mm 1.8 mm 0.117 N 0.036 N 170000 rpm 110000 rpm
W 618/2.5 2.5 mm 6 mm 1.8 mm 0.117 N 0.036 N 170000 rpm 110000 rpm
W 618/2 XR 2 mm 5 mm 2 mm 0.094 N 0.025 N 200000 rpm 120000 rpm
W 618/2 X 2 mm 5 mm 2 mm 0.094 N 0.025 N 200000 rpm 120000 rpm
W 618/2 R 2 mm 5 mm 1.5 mm 0.094 N 0.025 N 200000 rpm 120000 rpm
W 618/2 2 mm 5 mm 1.5 mm 0.094 N 0.025 N 200000 rpm 120000 rpm
W 618/1.5 R 1.5 mm 4 mm 1.2 mm 0.062 N 0.016 N 220000 rpm 140000 rpm
W 618/1.5 1.5 mm 4 mm 1.2 mm 0.062 N 0.016 N 220000 rpm 140000 rpm
W 618/1 R 1 mm 3 mm 1 mm 0.052 N 0.012 N 240000 rpm 150000 rpm
W 618/1 1 mm 3 mm 1 mm 0.052 N 0.012 N 240000 rpm 150000 rpm
W 61710-2RS1 50 mm 62 mm 6 mm 1.53 N 1.53 N - 6000 rpm
W 61710 50 mm 62 mm 6 mm 1.53 N 1.53 N 22000 rpm 13000 rpm
W 61709-2RS1 45 mm 55 mm 6 mm 1.46 N 1.37 N - 6700 rpm
W 61709 45 mm 55 mm 6 mm 1.46 N 1.37 N 24000 rpm 15000 rpm
W 61708-2RS1 40 mm 50 mm 6 mm 1.43 N 1.27 N - 7500 rpm
W 61708 40 mm 50 mm 6 mm 1.43 N 1.27 N 26000 rpm 16000 rpm