Tapered roller bearings are generally used to support combined load mainly radial load. Their cups are separable for easy assembly. During mounting and using, radial clearance and axial clearance can be adjusted and preload mounting can be made.

Tapered roller bearings 30311 Specifications

Principle dimensions(d): 55mm
Principle dimensions(D): 120mm
Principle dimensions(B): 31.5mm
Basic load ratings(dyn.): 166KN
Basic load ratings(stat.): 163KN
Reference speed: 4800r/min
Limiting speed: 5600r/min
Weight: 1.55kg

1. Correct installation, for it affects bearings’ precision, life, performance.

2. Don’t use hammer striking the bearing and transfer roller pressure.

3. Use the appropriate installation tool .

we have our own factory to produce Bearing 30311 in bulk quantities to assure the quality of products for best price.sincerely invite you can visit our factory at any time.

our E-mail: hrtbearing@126.com