Part Number

d - Bore

D - Outer Diameter

B - Width

Cr - Dynamic Radial Rating

Cor - Static Radial Rating

Reference speed

Limiting speed

NA 6910 50 mm 72 mm 40 mm 73.7 N 150 N - 8000
NA 4910.2RS 50 mm 72 mm 23 mm 40.2 N 69.5 N - 3400
NA 4910 RS 50 mm 72 mm 23 mm 40.2 N 69.5 N - 3400
NKI 50/35 50 mm 68 mm 35 mm 52.3 N 122 N - 8500
NAO 50x68x20 50 mm 68 mm 20 mm 27 N 67 N - 8500
NKI 50/25 50 mm 68 mm 25 mm 40.2 N 88 N - 8500
NKIS 55 55 mm 85 mm 28 mm 66 N 114 N - 6700
NA 4911 55 mm 80 mm 25 mm 57.2 N 106 N - 7000
NA 6911 55 mm 80 mm 45 mm 89.7 N 190 N - 7000
NKI 55/35 55 mm 72 mm 35 mm 55 N 134 N - 7500
NKI 55/25 TN 55 mm 72 mm 25 mm 46.8 N 110 N - 7500
NA 4912 60 mm 85 mm 25 mm 60.5 N 114 N - 6700
NA 6912 60 mm 85 mm 45 mm 93.5 N 204 N - 6700
NKIS 60 60 mm 90 mm 28 mm 68.2 N 120 N - 6300
NKI 60/25 60 mm 82 mm 25 mm 44 N 95 N - 6700
NKI 60/35 60 mm 82 mm 35 mm 60.5 N 146 N - 6700
NA 4913 65 mm 90 mm 25 mm 61.6 N 120 N - 6300
NA 6913 65 mm 90 mm 45 mm 95.2 N 212 N - 6300
NKIS 65 65 mm 95 mm 28 mm 70.4 N 132 N - 6000
NKI 65/35 65 mm 90 mm 35 mm 73.7 N 163 N - 6300