OEM manufacturer Vertical Mill Bearing Nnu4092m - Four-row Tapered Roller Bearings – Chengfeng Bearing
OEM manufacturer Vertical Mill Bearing Nnu4092m - Four-row Tapered Roller Bearings – Chengfeng Bearing Detail:
Technical characteristics:
The performance of the four-row tapered roller bearing is basically the same as that of the double-row tapered roller bearing, and the radial load is larger than that of the double-row tapered roller bearing, but the limit speed is slightly lower.
Four-row tapered roller bearings are composed of two double raceway inner rings, one double raceway outer ring and two single raceway outer rings.
There is a spacer between the inner and outer rings to adjust the bearing clearance.
Applications
These bearings are mainly used for backup rolls, intermediate rolls and work rolls of steel equipment rolling mills.
range:
Inner diameter size range: 130mm~1600mm
Outer diameter size range: 200mm~2000mm
Width size range: 150mm~1150mm
Tolerance: Metric (Imperial) product accuracy has common grade, P6 grade, P5 grade, P4 grade. For users with special requirements, P2 grade products can also be processed, and the tolerance is in line with GB/T307.1.
cage
Tapered roller bearings generally use a steel stamped basket cage, but when the size is larger, a car-made solid pillar cage is also used.
-XRS four-row tapered roller bearing with multiple seals (more than two seals)
Y: Y and another letter (eg YA, YB) or a combination of numbers are used to identify non-sequential changes that cannot be expressed by the existing postfix. YA structure changes.
The outer surface of the YA1 bearing outer ring is different from the standard design.
The inner hole of the inner ring of the YA2 bearing is different from the standard design.
The end face of the YA3 bearing ring is different from the standard design.
The raceway of YA4 bearing ring is different from the standard design.
YA5 bearing rolling elements differ from the standard design.
The YA6 bearing assembly chamfer is different from the standard design.
The YA7 bearing rib or ring is different from the standard design.
YA8 cage structure changed.
Product detail pictures:
Related Product Guide:
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By Kim from Mozambique - 2017.11.11 11:41
The factory workers have rich industry knowledge and operational experience, we learned a lot in working with them,we are extremely grateful that we can encount a good company has excellent wokers.
By Sahid Ruvalcaba from Oman - 2017.07.07 13:00
