Resources 
Part No. Reference Guide Wheel Part No. System
Part No. Reference Guide Wheel Part No. System
Resources - Part No. Reference Guide
How are the wheel part numbers of Durastar structured? The table below provides a break-down of the key elements of a wheel's components and specifications. Part number sections are separated by color (gray to gray, blue to blue, in order).
Example: 620PPU84J
|
Wheel Dia.
|
Wheel Width
|
Wheel Type
|
Bearing Type
|
Wheel Color
|
|||||
|
#
|
Dia.
|
#
|
TW
|
#
|
Desc.
|
#
|
I.D.
|
#
|
Desc.
|
|
2
|
2"
|
78
|
7/8"
|
HR
|
Solid Hard Rubber |
2*
|
Roller |
A
|
Black | Gray |
|
25
|
2-1/2"
|
1
|
1"
|
SR
|
Solid Soft Rubber |
21
|
1/2" |
B
|
Black |
|
3
|
3"
|
14
|
1-1/4"
|
RS
|
Rubber on Steel (Cast Iron) |
22
|
5/8" |
D
|
Red |Gray |
|
34
|
3-1/4"
|
15
|
1-1/2"
|
RN
|
Rubber on Glass-filled Nylon |
23
|
3/4" |
E
|
White |
|
35
|
3-1/2"
|
17
|
1-3/4" off
|
ERN
|
Elastic Rubber on Nylon |
24
|
7/8" |
F
|
Maroon | Black |
|
4
|
4"
|
113
|
1-13/16"
|
RA
|
Rubber on Aluminum |
25
|
1" |
G
|
Green | Black |
|
5
|
5"
|
2
|
2"
|
ERP
|
Elastic Rubber on Polyolefin |
26
|
1-1/4" |
H
|
Gray | Black |
|
6
|
6"
|
25
|
2-1/2"
|
PPR
|
DURATEK Rubber |
27
|
1-1/2" |
I
|
Gray |
|
8
|
8"
|
27
|
2-3/4" off
|
DPPR
|
Donut Tread PPR |
3*
|
Precision Ball |
J
|
Maroon | Gray |
|
10
|
10"
|
3
|
3"
|
TPR
|
Thermoplastic Rubber on Polyolefin |
31
|
5/16" |
K
|
Red | Black |
|
12
|
12"
|
35
|
3-1/2"
|
34
|
3/8" |
L
|
Blue | ||
|
14
|
14"
|
DPR
|
Donut Tread TPR |
38
|
1/2" |
N
|
Green | ||
|
16
|
16"
|
PO
|
Polyolefin |
39
|
3/4" |
O
|
Orange Red on Gray | ||
|
18
|
18"
|
HP
|
Heavy Duty Polyolefin |
62
|
5/16" (6202) |
P
|
Purple | Gray | ||
|
DPO
|
Donut Tread Polyolefin |
63
|
3/8" (6203) |
Q
|
Purple | Beige | ||||
|
PH
|
Phenolic |
64
|
1/2" (6204) |
R
|
Gray | Beige | ||||
|
TPH
|
Hi-Temp Phenolic |
65
|
3/4" (6205) |
S
|
Silver | ||||
|
PPU
|
Polyurethane on Polyolefin |
4*
|
Flanged Ball |
U
|
Blue | Black | ||||
|
DPU
|
Donut Tread PPU |
41
|
5/16" |
V
|
Red | Silver | ||||
|
PA
|
Polyurethane on Aluminum |
42
|
3/8" | ||||||
|
SPU
|
Solid Polyurethane |
44
|
1/2" | ||||||
|
PU
|
Polyurethane on Cast Iron |
45
|
5/8" | ||||||
|
EX
|
Heavy Duty PU on Cast Iron |
46
|
3/4" | ||||||
|
MU
|
Polyurethane on Glass-filled Nylon |
47
|
1" | ||||||
|
5*
|
Delrin | ||||||||
|
MX
|
Heavy Duty PU on Glass-filled Nylon |
54
|
5/16" | ||||||
|
55
|
3/8" | ||||||||
|
HU
|
Extra Heavy Duty PU on Glass-filled Nylon |
56
|
1/2" | ||||||
|
57
|
3/4" | ||||||||
|
SS
|
Semi-Steel (Cast Iron) |
58
|
1" | ||||||
|
DS
|
Ductile Steel |
59
|
1-1/4" | ||||||
|
CDS
|
Crown Tread Ductile Steel |
7*
|
Tapered Roller | ||||||
|
VG
|
Cast-Iron V-Groove |
70
|
0.7500" | ||||||
|
DVG
|
Ductile V-Groove |
71
|
1.0000" | ||||||
|
MA
|
Glass-filled Nylon |
72
|
1.0625" | ||||||
|
MVG
|
Glass-filled Nylon V-Groove |
74
|
1.2500" | ||||||
|
TMA
|
High Temp Glass-filled Nylon |
75
|
1.5000" | ||||||
|
NY
|
Nylon |
8*
|
Plain Bore | ||||||
|
FP
|
Full Pneumatic
|
80
|
1/4" | ||||||
|
SP
|
Semi-Pneumatic
|
81
|
5/16" | ||||||
|
82
|
3/8" | ||||||||
|
83
|
1/2" | ||||||||
|
84
|
1-3/16" | ||||||||
|
85
|
1-7/16" | ||||||||
|
86
|
1-15/16" | ||||||||
|
87
|
2-7/16" | ||||||||
|
88
|
3/4" | ||||||||
|
89
|
7/8" | ||||||||
|
90
|
5/16" + Bushing | ||||||||
|
91
|
3/8" + Bushing | ||||||||
|
92
|
1/2" + Bushing | ||||||||
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