Return Rollers Premium
Characteristics:
- Idler tube made of longitudinal seam-welded steel tubes acc. to EN 10305-3 with restricted tolerances (Küpper Standard), S235JR acc. to EN 10025-2
- Bearing housings forged from C15 acc. to EN 10267-2 or S235JR acc. to EN 10025-2
- Seat IT7 acc. to EN ISO 286-1
- Axles made of round bar steel acc. to EN 10083-2 or bending-resistant hollow axle, precision tube with welded shaft extensions; seat IT6 acc. to EN ISO 286-1
- Deep-groove ball bearings AKT, FAG, or SKF acc. to DIN 625-1 2Z, plastic cage, greased for life, lubrication
designed to customer specifications - Bearing sizes 6306 – 6310
- ISO tolerance class 5 (P5) acc. to DIN 620-2
- Radial internal clearance for deep-groove ball bearings C4H acc. to DIN 620-4
- Additional inner sealing made of high-quality materials
- Patented QLR Hybrid Sealing, greased for life, especially effective against the intrusion of water and dust
- PU cast-in shell
Support ring arrangements
Return idler with cast-in PU support rings | |||||
Ø-ring | 180 | 194 | 219 | 219 | 250 |
Ø-tube | 108 | 133 | 159 | 178 | |
U1 | |||||
U2 | |||||
U3 | |||||
U4 |
Coating
Return idler with cast-in shell made of polyurethane | |||||||||||||
Ø-shell | 116 | 122 | 133 | 143 | 150 | 160 | 167 | 173 | 180 | ||||
Ø-tube | 108 | 133 | 159 | ||||||||||
Ø-shell | 185 | 191 | 204 |
|
|
||||||||
Ø-tube | 177 | 194 | 219 | ||||||||||
Further sizes on request |