Super Purchasing for 31307 Bearing - Four-row Tapered Roller Bearings – Chengfeng Bearing
Super Purchasing for 31307 Bearing - 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:
Bear Customer initially, High-quality first in mind, we work closely with our prospects and supply them with efficient and specialist companies for Super Purchasing for 31307 Bearing - Four-row Tapered Roller Bearings – Chengfeng Bearing, The product will supply to all over the world, such as: UK, Hongkong, Johor, With the development and enlargement of mass clients abroad, now we've set up cooperative relationships with many major brands. We've our own factory and also have many reliable and well-cooperated factories in the field. Adhering to the quality first, customer first, We are provideing high-quality, low-cost items and high quality service to customers. We sincerely hope to establish business relationship with customers from all over the world on the basis of quality, mutually benefit. We welcome OEM projects and designs.
By Henry from Serbia - 2018.09.29 13:24
Sales manager is very enthusiastic and professional, gave us a great concessions and product quality is very good,thank you very much!
By Roberta from Czech republic - 2017.12.31 14:53
