Model

Type

Drive Way

Applicable Size Of Kelly
Square           Hex

HDS

Heavy Duty

Square Drive

2 1/2"-6"

3"-6"

27-HDP

PIN DRIVE

2 1/2"-6"

3"-6"

20-HDP

2 1/2"-6"

3"-6"

4KRBM

Medium Duty

Square Drive

2 1/2"-5 1/4"

3"-4 1/4"

4KRVS

Light Duty

2 1/2"-4 1/4"

3"-4 1/4"

KELLY BUSHING

ROLLER ASSEMBLIES

KELLY SIZE/TYPE

4KRVS

4KRBM

27HDP

27HDS

4KRVS

4KRBM

HDP/HDS

3" HEX

1402-30

5208-30

3650-30

3635-30

1450

5210

3667

3 1/2" HEX

1402-35

5802-35

3650-35

3635-35

1451

5211

3668

4 1/4" HEX

1402-42

5208-42

3650-42

3635-42

1452

2948

3669

5 1/4" HEX

3650-52

3635-52

3672

6" HEX

3650-60

3635-60

3673

2 1/2" SQ

1401-25

5209-25

1445

2949

3" SQ

1401-30

5209-30

3651-30

3636-30

1446

2943

3660

3 1/2" SQ

1401-35

5209-35

3651-35

3636-35

1447

2944

3661

4 1/4" SQ

1401-42

5209-42

3651-42

3636-42

1448

2945

3662

5 1/4" SQ

1401-52

3651-52

3636-52

3665

6" SQ

3651-60

3636-60

3666