Page 963 - MiSUMi 2025

Flat Belt Pulleys Medium Length / Flat Belt Idlers Medium Length

QRollers Conveyors
M Material S Surface Treatment P.11-007
Aluminum Alloy Clear Anodized Flat Belts Flat Belt Pulleys /

P.11-071
New JIS Keyway+Tapped Keyway Size
L N K
4-M b+1 bJs9 Guide Rollers Urethane Molded Bearings / Urethane Molded Rollers /
120° t
1.6 P.11-085
2D 3dH7

dH7 Cam Followers
0 H Ball Rollers /
4L-0.2
ESet Screw is not provided P.11-097
Part Number 3Shaft Bore dH7 H Key Length M Nominal Model Shaft Bore dH7 bJs9 t Tolerance
1Type 2O.D. D Keyway Hole+Tapped 4Width L K L N8 8 +0.015 3 ±0.0125 1.4
15 N8 25 30 40 50 25 0
20 25 30 40 50 N12 12 +0.018 4 1.8 +0.1 with Screw / Roller Carriers Silicon Bearings / Bearings
C-ROBAC 30 N12 30 40 50 60 0.8 M3 3.5 0 ±0.0150 0
40 30 40 50 60 30 N20 20 +0.021 6 2.8
50 N20 50 60 M5 4 0 P.11-119
EDetailed dimensions are available on the official website
Ordering Part Number (1Type · 2D) - 3d - 4L
Example C-ROBAC15 - N8 - 25 Sprocket Rollers Placon Rollers / Free Rollers /
QIdlers M Material S Surface Treatment
P.11-125
Aluminum Alloy Clear Anodized 11

Straight Type (Without Flange) Crown Type *Bearing Accuracy GB/T 307-94 Class P0 Rollers / Cam Followers Conveyors / Flat Belts /
C-ROFAN C-ROFAC JIS B 1514 Class 0
A A A A 5H 5H

1.6 1.6 1.6 1.6
2D D1 2D D1 d1 d1 2D D1 2D D1 d1 d1
3d 3d 3d 3d
0 0 0 0
4L-0.2 4L-0.2 4L-0.2 4L-0.2
φ
φ
φ0.05 A 0.05 A φ0.05 A 0.05 A
EDouble bearings are press-fitted and cannot be removed.
QStraight Type QCrown Type
Part Number 3Shaft Bore Part Number 3Shaft Bore
1Type 2O.D. D Dia. d 4Width L d1 D1 B 1Type 2O.D. D Dia. d 4Width L 5H d1 D1 B
5 25 30 7 8 2.5 15 6 25 50 9 10 3
15 25 40 50 9 10 3 20 8 25 30 40 50 10 12 3.5
6
20 25 40 13 5 C-ROFAC 30 12 30 40 50 60 0.8 15 24 6
8 25 30 35 50 60 12 3.5 40 10 30 40 60 17 26 8
6 25 40 10 15 50 15 50 60 27 28 7
25 5
C-ROFAN 8 50 16 EDetailed dimensions are available on the official website
19
50 60
30 10 50 60 70 15 22 6
12 25 30 40 24
10 40 26 8
40 17
15 25 30 28 7
50 20 30 50 27 37 9
Ordering Part Number (1Type · 2D) - 3d - 4L - 5H
Example C-ROFAC40 - 10 - L30 - H0.8
11-079 Flat Belt Pulleys / Flat Belts 11-080