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Features:
• Misaligned belts contact side roller, idler pivots and centers belt.
• Concave shaped side guide rollers keep traction on belting.
• Compared to steel rollers, urethane side guide rollers are less abusive on belting.
• SpinGuard® Seal Technology for bullet-proof bearing protection.


Specifications:
• CEMA Rating: B, C, D, E and F
• Roll Diameter: 4" - 7"
• Troughing Angle: 20°, 35° and 45°
• Belt Width: 18" - 96"

Styles:
• Standard for positive action, one way belts
• Shoe activated for bi-directional belts.

Self-Aligning Idler
Self-Aligning Troughing Idler Drawing
Unit of Measure
1 2 

Item #

CEMA Rating

Roller Diameter

Troughing Angle

Belt Width

B4-20EA-18 N/A CEMA B N/A 4 in N/A 20 º N/A 18 in
B4-20EA-24 N/A CEMA B N/A 4 in N/A 20 º N/A 24 in
B4-20EA-30 N/A CEMA B N/A 4 in N/A 20 º N/A 30 in
B4-20EA-36 N/A CEMA B N/A 4 in N/A 20 º N/A 36 in
B4-20EA-42 N/A CEMA B N/A 4 in N/A 20 º N/A 42 in
B4-20EA-48 N/A CEMA B N/A 4 in N/A 20 º N/A 48 in
B4-35EA-18 N/A CEMA B N/A 4 in N/A 35 º N/A 18 in
B4-35EA-24 N/A CEMA B N/A 4 in N/A 35 º N/A 24 in
B4-35EA-30 N/A CEMA B N/A 4 in N/A 35 º N/A 30 in
B4-35EA-36 N/A CEMA B N/A 4 in N/A 35 º N/A 36 in
B4-35EA-42 N/A CEMA B N/A 4 in N/A 35 º N/A 42 in
B4-35EA-48 N/A CEMA B N/A 4 in N/A 35 º N/A 48 in
B4-45EA-18 N/A CEMA B N/A 4 in N/A 45 º N/A 18 in
B4-45EA-24 N/A CEMA B N/A 4 in N/A 45 º N/A 24 in
B4-45EA-30 N/A CEMA B N/A 4 in N/A 45 º N/A 30 in
B4-45EA-36 N/A CEMA B N/A 4 in N/A 45 º N/A 36 in
B4-45EA-42 N/A CEMA B N/A 4 in N/A 45 º N/A 42 in
B4-45EA-48 N/A CEMA B N/A 4 in N/A 45 º N/A 48 in
B5-20EA-18 N/A CEMA B N/A 5 in N/A 20 º N/A 18 in
B5-20EA-24 N/A CEMA B N/A 5 in N/A 20 º N/A 24 in
B5-20EA-30 N/A CEMA B N/A 5 in N/A 20 º N/A 30 in
B5-20EA-36 N/A CEMA B N/A 5 in N/A 20 º N/A 36 in
B5-20EA-42 N/A CEMA B N/A 5 in N/A 20 º N/A 42 in
B5-20EA-48 N/A CEMA B N/A 5 in N/A 20 º N/A 48 in
B5-35EA-18 N/A CEMA B N/A 5 in N/A 35 º N/A 18 in
Unit of Measure
1 2