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Standard duty with eccentric locking collar.
  • Cast iron housing
  • Wide inner race bearing
  • B-type or L3-type seals
NANF 4-Bolt Flange Units
Unit of Measure
1 2 

Item #

d - Shaft Dia.

A - Dimension

E - Dimension

I - Dimension

G - Dimension

L - Dimension

NANF 201 N/A 12 mm N/A 3.00 in76 mm N/A 2 1/8 in54 mm N/A 21/32 in16.7 mm N/A 3/8 in10 mm N/A 1 3/32 in28 mm
NANF 201 8 N/A 0.5 in N/A 3.00 in76 mm N/A 2 1/8 in54 mm N/A 21/32 in16.7 mm N/A 3/8 in10 mm N/A 1 3/32 in28 mm
NANF 202 N/A 15 mm N/A 3.00 in76 mm N/A 2 1/8 in54 mm N/A 21/32 in16.7 mm N/A 3/8 in10 mm N/A 1 3/32 in28 mm
NANF 202 10 N/A 0.625 in N/A 3.00 in76 mm N/A 2 1/8 in54 mm N/A 21/32 in16.7 mm N/A 3/8 in10 mm N/A 1 3/32 in28 mm
NANF 203 N/A 17 mm N/A 3.00 in76 mm N/A 2 1/8 in54 mm N/A 21/32 in16.7 mm N/A 3/8 in10 mm N/A 1 3/32 in28 mm
NANF 204 12 N/A 0.75 in N/A 3 3/8 in86 mm N/A 2.50 in64 mm N/A 3/4 in19 mm N/A 19/32 in15 mm N/A 1 5/32 in29.5 mm
NANF 204 20MM N/A 20 mm N/A 3 3/8 in86 mm N/A 2.50 in64 mm N/A 3/4 in19 mm N/A 19/32 in15 mm N/A 1 5/32 in29.5 mm
NANF 205 14 N/A 0.875 in N/A 3 3/4 in95 mm N/A 2.75 in70 mm N/A 25/32 in20 mm N/A 19/32 in15 mm N/A 1 7/32 in31 mm
NANF 205 15 N/A 0.9375 in N/A 3 3/4 in95 mm N/A 2.75 in70 mm N/A 25/32 in20 mm N/A 19/32 in15 mm N/A 1 7/32 in31 mm
NANF 205 25MM N/A 25 mm N/A 3 3/4 in95 mm N/A 2.75 in70 mm N/A 25/32 in20 mm N/A 19/32 in15 mm N/A 1 7/32 in31 mm
NANF 205 16 N/A 1 in N/A 3 3/4 in95 mm N/A 2.75 in70 mm N/A 25/32 in20 mm N/A 19/32 in15 mm N/A 1 7/32 in31 mm
NANF 206 17 N/A 1 1/16 in N/A 4.25 in108 mm N/A 3.25 in83 mm N/A 53/64 in21 mm N/A 5/8 in16 mm N/A 1 11/32 in34 mm
NANF 206 18 N/A 1.125 in N/A 4.25 in108 mm N/A 3.25 in83 mm N/A 53/64 in21 mm N/A 5/8 in16 mm N/A 1 11/32 in34 mm
NANF 206 30MM N/A 30 mm N/A 4.25 in108 mm N/A 3.25 in83 mm N/A 53/64 in21 mm N/A 5/8 in16 mm N/A 1 11/32 in34 mm
NANF 206 19 N/A 1.1875 in N/A 4.25 in108 mm N/A 3.25 in83 mm N/A 53/64 in21 mm N/A 5/8 in16 mm N/A 1 11/32 in34 mm
NANF 206 20 N/A 1.25 in N/A 4.25 in108 mm N/A 3.25 in83 mm N/A 53/64 in21 mm N/A 5/8 in16 mm N/A 1 11/32 in34 mm
NANF 207 20 N/A 1.25 in N/A 4 19/32 in117 mm N/A 3 5/8 in92 mm N/A 27/32 in21.5 mm N/A 21/32 in17 mm N/A 1 7/16 in36.5 mm
NANF 207 21 N/A 1 5/16 in N/A 4 19/32 in117 mm N/A 3 5/8 in92 mm N/A 27/32 in21.5 mm N/A 21/32 in17 mm N/A 1 7/16 in36.5 mm
NANF 207 22 N/A 1.375 in N/A 4 19/32 in117 mm N/A 3 5/8 in92 mm N/A 27/32 in21.5 mm N/A 21/32 in17 mm N/A 1 7/16 in36.5 mm
NANF 207 35MM N/A 35 mm N/A 4 19/32 in117 mm N/A 3 5/8 in92 mm N/A 27/32 in21.5 mm N/A 21/32 in17 mm N/A 1 7/16 in36.5 mm
NANF 207 23 N/A 1.4375 in N/A 4 19/32 in117 mm N/A 3 5/8 in92 mm N/A 27/32 in21.5 mm N/A 21/32 in17 mm N/A 1 7/16 in36.5 mm
NANF 208 24 N/A 1.5 in N/A 5 1/8 in130 mm N/A 4 in102 mm N/A 15/16 in24 mm N/A 21/32 in17 mm N/A 1 17/32 in39 mm
NANF 208 25 N/A 1 9/16 in N/A 5 1/8 in130 mm N/A 4 in102 mm N/A 15/16 in24 mm N/A 21/32 in17 mm N/A 1 17/32 in39 mm
NANF 208 40MM N/A 40 mm N/A 5 1/8 in130 mm N/A 4 in102 mm N/A 15/16 in24 mm N/A 21/32 in17 mm N/A 1 17/32 in39 mm
NANF 209 26 N/A 1.625 in N/A 5 13/32 in137 mm N/A 4 1/8 in105 mm N/A 15/16 in24 mm N/A 23/32 in18 mm N/A 1 9/16 in40 mm
Unit of Measure
1 2