Part Number

d - Bore

D - Outer Diameter

B - Width

Cr - Dynamic Radial Rating

Cor - Static Radial Rating

Reference speed

Limiting speed

NA 4907 RS 35 mm 55 mm 21 mm 27 N 43 N - 4800
NKIS 35 35 mm 58 mm 22 mm 39.1 N 61 N - 10000
NKI 38/20 38 mm 53 mm 20 mm 27.5 N 55 N - 11000
NKI 38/30 38 mm 53 mm 30 mm 40.2 N 90 N - 11000
NA 4908.2RS 40 mm 62 mm 23 mm 36.9 N 58.5 N - 4000
NA 4908 RS 40 mm 62 mm 23 mm 36.9 N 58.5 N - 4000
NKIS 40 40 mm 65 mm 22 mm 42.9 N 72 N - 9000
NA 4908 40 mm 62 mm 22 mm 42.9 N 71 N - 9500
NA 6908 40 mm 62 mm 40 mm 67.1 N 125 N - 9500
NKI 40/30 TN 40 mm 55 mm 30 mm 45.7 N 108 N - 10000
NKI 40/20 TN 40 mm 55 mm 20 mm 31.4 N 65.5 N - 10000
NAO 40x55x17 40 mm 55 mm 17 mm 21.6 N 46.5 N - 10000
NKI 42/20 42 mm 57 mm 20 mm 29.2 N 61 N - 10000
NKI 42/30 42 mm 57 mm 30 mm 41.8 N 98 N - 10000
NKIS 45 45 mm 72 mm 22 mm 44.6 N 78 N - 8000
NA 4909 45 mm 68 mm 22 mm 45.7 N 78 N - 8500
NA 6909 45 mm 68 mm 40 mm 70.4 N 137 N - 8500
NKI 45/25 TN 45 mm 62 mm 25 mm 42.9 N 91.5 N - 9000
NA 4909 RS 45 mm 68 mm 22 mm 39.1 N 64 N - 3800
NA 4909.2RS 45 mm 68 mm 23 mm 39.1 N 64 N - 3800