Thru-old Bore Rollers – Medium Duty

Roller OD	Nominal Pipe or Tube Size	Wall Thickness	Tube Material	Roller Part Number
1.315	1″ SCHD 40	0.133	PVC	BMT32P40**PV****
1.315	1″ SCHD 80	0.179	PVC	BMT32P80**PV****
1.375	18 ga.	0.049	304 SS	BMT4418**4S****
1.375	18 ga.	0.049	Galvanized	BMT4418**GA****
1.900	1-1/2″ SCHD 5	0.065	304 SS	BMT48P05**4S****
1.900	1-1/2″ SCHD 5	0.065	Galvanized	BMT48P05**GA****
1.900	1-1/2″ SCHD 10	0.109	304 SS	BMT48P10**SS****
1.900	1-1/2″ SCHD 40	0.145	PVC	BMT48P40**PV****
1.900	1-1/2″ SCHD 80	0.200	PVC	BMT48P80**PV****
2.375	11 ga.	0.120	304 SS	BMT7611**4S****
2.375	2″ SCHD 40	0.154	PVC	BMT64P40**PV****
2.375	2″ SCHD 80	0.218	PVC	BMT64P80**PV****
2.500	16 ga.	0.065	304 SS	BMT8016**4S****
2.875	2-1/2″ SCHD 80	0.276	PVC	BMT80P80**PV****

Contact BNB for Special Sizes not listed above


** – Bearing Bore Codes
**** – Between Frame Length Codes
(Used to Complete Roller Part Numbers)

01 = 1/32″	09 = 9/32″	17 = 17/32″	25 = 25/32″
02 = 1/16″	10 = 5/32″	18 = 9/16	26 = 13/16″
03 = 3/32″	11 = 11/32″	19 = 19/32″	27 = 27/32″
04 = 1/8″	12 = 3/8″	20 = 5/8″	28 = 7/8″
05 = 5/32″	13 = 13/32″	21 = 21/32″	29 = 29/32″
06 = 3/16″	14 = 7/16″	22 = 11/16″	30 = 15/16″
07 = 7/32″	15 = 15/32″	23 = 23/32″	31 = 31/32″
08 = 1/4″	16 = 1/2″	24 = 3/4″	32 = 1″

First two digits of length code is whole inches.
Second two digits of length code is based on 32’s of an inch increments.
Example: Length is 15-1/2” = 1516.