Part Number

d - Bore

D - Outer Diameter

B - Width

Cr - Dynamic Radial Rating

Cor - Static Radial Rating

Reference speed

Limiting speed

604-Z 4 mm 12 mm 4 mm 0.806 N 0.28 N - 75000
W 624 R-2RS1 4 mm 13 mm 5 mm 0.741 N 0.25 N - 32000
W 637/4 X 4 mm 10 mm 3 mm 0.553 N 0.245 N - 80000
W 617/4 XR 4 mm 8 mm 2 mm 0.225 N 0.072 N - 90000
W 627/4-2ZS 4 mm 7 mm 2.5 mm 0.143 N 0.053 N - 75000
W 634 R-2RS1 4 mm 16 mm 5 mm 0.761 N 0.265 N - 30000
W 624 4 mm 13 mm 5 mm 0.741 N 0.25 N - 70000
W 604-2RZ 4 mm 12 mm 4 mm 0.54 N 0.176 N - 63000
W 624-2RS1 4 mm 13 mm 5 mm 0.741 N 0.25 N - 32000
W 634 4 mm 16 mm 5 mm 0.761 N 0.265 N - 63000
W 619/4-2Z 4 mm 11 mm 4 mm 0.54 N 0.176 N - 63000
W 634-2RS1 4 mm 16 mm 5 mm 0.761 N 0.265 N - 30000
W 604 4 mm 12 mm 4 mm 0.54 N 0.176 N - 80000
W 638/4-2RZ 4 mm 9 mm 4 mm 0.364 N 0.114 N - 70000
W 638/4 R-2RS1 4 mm 9 mm 4 mm 0.364 N 0.114 N - 40000
W 618/4 R 4 mm 9 mm 2.5 mm 0.364 N 0.114 N - 85000
W 617/4 4 mm 7 mm 2 mm 0.178 N 0.057 N - 95000
W 638/4-2RS1 4 mm 9 mm 4 mm 0.364 N 0.114 N - 40000
W 624 R-2RZ 4 mm 13 mm 5 mm 0.741 N 0.25 N - 56000
W 638/4 XR-2RS1 4 mm 10 mm 4 mm 0.553 N 0.245 N - 36000