Part Number

d - Bore

D - Outer Diameter

B - Width

Cr - Dynamic Radial Rating

Cor - Static Radial Rating

Reference speed

Limiting speed

D/W RW2 R-2RS1 3.175 mm 9.525 mm 4.762 mm 0.358 N 0.11 N - 40000
D/W RW2-6 3.175 mm 9.525 mm 3.571 mm 0.364 N 0.114 N - 80000
D/W RW2-5 3.175 mm 7.938 mm 3.571 mm 0.319 N 0.09 N - 95000
D/W R155 R-2ZS 3.967 mm 7.938 mm 3.175 mm 0.203 N 0.075 N - 70000
D/W RW155 R 3.967 mm 7.938 mm 3.571 mm 0.203 N 0.075 N - 90000
D/W RW155 3.967 mm 7.938 mm 3.571 mm 0.203 N 0.075 N - 90000
D/W R155 R 3.967 mm 7.938 mm 2.779 mm 0.203 N 0.075 N - 90000
D/W RW155 R-2ZS 3.967 mm 7.938 mm 3.967 mm 0.203 N 0.075 N - 70000
D/W R155-2ZS 3.967 mm 7.938 mm 3.175 mm 0.203 N 0.075 N - 70000
D/W R155 3.967 mm 7.938 mm 2.779 mm 0.203 N 0.075 N - 90000
D/W RW155-2ZS 3.967 mm 7.938 mm 3.967 mm 0.203 N 0.075 N - 70000
W 637/4 XR 4 mm 10 mm 3 mm 0.553 N 0.245 N - 80000
W 637/4 XR-2Z 4 mm 8 mm 3 mm 0.225 N 0.072 N - 75000
W 619/4 4 mm 11 mm 4 mm 0.54 N 0.176 N - 80000
634-Z 4 mm 16 mm 5 mm 1.11 N 0.38 N - 60000
628/4-2Z 4 mm 9 mm 3.5 mm 0.54 N 0.18 N - 70000
W 638/4-2Z 4 mm 9 mm 4 mm 0.364 N 0.114 N - 70000
624-2Z 4 mm 13 mm 5 mm 0.936 N 0.29 N - 53000
W 604 R 4 mm 12 mm 4 mm 0.54 N 0.176 N - 80000
618/4 4 mm 9 mm 2.5 mm 0.423 N 0.116 N - 85000