Part Number

d - Bore

D - Outer Diameter

B - Width

Cr - Dynamic Radial Rating

Cor - Static Radial Rating

Reference speed

Limiting speed

604-2Z 4 mm 12 mm 4 mm 0.806 N 0.28 N - 60000
W 604 R-2RS1 4 mm 12 mm 4 mm 0.54 N 0.176 N - 36000
634-2Z 4 mm 16 mm 5 mm 1.11 N 0.38 N - 48000
W 637/4 X-2Z 4 mm 8 mm 3 mm 0.225 N 0.072 N - 75000
W 604-2RS1 4 mm 12 mm 4 mm 0.54 N 0.176 N - 36000
W 619/4-2RS1 4 mm 11 mm 4 mm 0.54 N 0.176 N - 36000
W 638/4 X-2RS1 4 mm 10 mm 4 mm 0.553 N 0.245 N - 36000
638/4-2Z 4 mm 9 mm 4 mm 0.54 N 0.18 N - 70000
W 604-2Z 4 mm 12 mm 4 mm 0.54 N 0.176 N - 63000
W 624 R-2Z 4 mm 13 mm 5 mm 0.741 N 0.25 N - 56000
634-2RZ 4 mm 16 mm 5 mm 1.11 N 0.38 N - 48000
W 627/4 R-2Z 4 mm 7 mm 2.5 mm 0.143 N 0.053 N - 75000
W 638/4 XR-2Z 4 mm 10 mm 4 mm 0.553 N 0.245 N - 63000
W 618/4 4 mm 9 mm 2.5 mm 0.364 N 0.114 N - 85000
619/4 4 mm 11 mm 4 mm 0.624 N 0.18 N - 80000
W 638/4 X-2RZ 4 mm 10 mm 4 mm 0.553 N 0.245 N - 63000
W 627/4-2Z 4 mm 7 mm 2.5 mm 0.143 N 0.053 N - 75000
634-RS1 4 mm 16 mm 5 mm 1.11 N 0.38 N - 28000
W 619/4-2RZ 4 mm 11 mm 4 mm 0.54 N 0.176 N - 63000
634-RZ 4 mm 16 mm 5 mm 1.11 N 0.38 N - 60000