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Wide slot, standard duty with eccentric locking collar.
  • Cast iron housing
  • Wide inner race bearing
  • B-type seals
  • L3-type seals available in some sizes
NAT
Unit of Measure
1 2 

Item #

d - Shaft Dia.

O - Dimension

G - Dimension

P - Dimension

Q - Dimension

S - Dimension

NAT 209 27 N/A 1 11/16 Inch N/A 3/4 Inch19 mm N/A 5/8 Inch16 mm N/A 3 9/32 Inch83 mm N/A 1 15/16 Inch49 mm N/A 1 9/64 Inch29 mm
NAT 209 28 N/A 1 3/4 Inch N/A 3/4 Inch19 mm N/A 5/8 Inch16 mm N/A 3 9/32 Inch83 mm N/A 1 15/16 Inch49 mm N/A 1 9/64 Inch29 mm
NAT 209 45MM N/A 45 mm N/A 3/4 Inch19 mm N/A 5/8 Inch16 mm N/A 3 9/32 Inch83 mm N/A 1 15/16 Inch49 mm N/A 1 9/64 Inch29 mm
NAT 210 30 N/A 1 7/8 Inch N/A 3/4 Inch19 mm N/A 5/8 Inch16 mm N/A 3 9/32 Inch83 mm N/A 1 15/16 Inch49 mm N/A 1 9/64 Inch29 mm
NAT 210 31 N/A 1 15/16 Inch N/A 3/4 Inch19 mm N/A 5/8 Inch16 mm N/A 3 9/32 Inch83 mm N/A 1 15/16 Inch49 mm N/A 1 9/64 Inch29 mm
NAT 210 50MM N/A 50 mm N/A 3/4 Inch19 mm N/A 5/8 Inch16 mm N/A 3 9/32 Inch83 mm N/A 1 15/16 Inch49 mm N/A 1 9/64 Inch29 mm
NAT 210 32 N/A 2 Inch N/A 3/4 Inch19 mm N/A 5/8 Inch16 mm N/A 3 9/32 Inch83 mm N/A 1 15/16 Inch49 mm N/A 1 9/64 Inch29 mm
NAT 211 32 N/A 2 Inch N/A 1 Inch25 mm N/A 3/4 Inch19 mm N/A 4 1/32 Inch102 mm N/A 2 17/32 Inch64 mm N/A 1 3/8 Inch35 mm
NAT 211 N/A 55 mm N/A 1 Inch25 mm N/A 3/4 Inch19 mm N/A 4 1/32 Inch102 mm N/A 2 17/32 Inch64 mm N/A 1 3/8 Inch35 mm
NAT 211 35 N/A 2 3/16 Inch N/A 1 Inch25 mm N/A 3/4 Inch19 mm N/A 4 1/32 Inch102 mm N/A 2 17/32 Inch64 mm N/A 1 3/8 Inch35 mm
NAT 212 36 N/A 2 1/4 Inch N/A 1 1/4 Inch32 mm N/A 3/4 Inch19 mm N/A 4 1/32 Inch102 mm N/A 2 17/32 Inch64 mm N/A 1 3/8 Inch35 mm
NAT 212 N/A 60 mm N/A 1 1/4 Inch32 mm N/A 3/4 Inch19 mm N/A 4 1/32 Inch102 mm N/A 2 17/32 Inch64 mm N/A 1 3/8 Inch35 mm
NAT 212 38 N/A 2 3/8 Inch N/A 1 1/4 Inch32 mm N/A 3/4 Inch19 mm N/A 4 1/32 Inch102 mm N/A 2 17/32 Inch64 mm N/A 1 3/8 Inch35 mm
NAT 212 39 N/A 2 7/16 Inch N/A 1 1/4 Inch32 mm N/A 3/4 Inch19 mm N/A 4 1/32 Inch102 mm N/A 2 17/32 Inch64 mm N/A 1 3/8 Inch35 mm
NAT 213 40 N/A 2 1/2 Inch N/A 1 1/4 Inch32 mm N/A 13/16 Inch21 mm N/A 4 3/8 Inch111 mm N/A 2 3/4 Inch70 mm N/A 1 39/64 Inch41 mm
NAT 213 N/A 65 mm N/A 1 1/4 Inch32 mm N/A 13/16 Inch21 mm N/A 4 3/8 Inch111 mm N/A 2 3/4 Inch70 mm N/A 1 39/64 Inch41 mm
NAT 215 47 N/A 2 15/16 Inch N/A 1 1/4 Inch32 mm N/A 13/16 Inch21 mm N/A 4 3/8 Inch111 mm N/A 2 3/4 Inch70 mm N/A 1 39/64 Inch41 mm
NAT 215 N/A 75 mm N/A 1 1/4 Inch32 mm N/A 13/16 Inch21 mm N/A 4 3/8 Inch111 mm N/A 2 3/4 Inch70 mm N/A 1 39/64 Inch41 mm
NAT 215 48 N/A 3 Inch N/A 1 1/4 Inch32 mm N/A 13/16 Inch21 mm N/A 4 3/8 Inch111 mm N/A 2 3/4 Inch70 mm N/A 1 39/64 Inch41 mm
Unit of Measure
1 2