English guide to common diagram labels
The equipment descriptions explain these original diagrams in English. The original artwork is retained.
- 轴承
- Bearing
- 内圈
- Inner ring
- 外圈
- Outer ring
- 滚动体
- Rolling element
- 保持架
- Cage
- 密封
- Seal
- 径向
- Radial
- 轴向
- Axial
- 主轴
- Main shaft / spindle
- 偏航
- Yaw
- 变桨
- Pitch
- 齿轮箱
- Gearbox
- 发电机
- Generator
- 丝杠
- Screw
- 工作台
- Table
- 减速机
- Reducer
- 连铸
- Continuous casting
- 热轧
- Hot rolling
- 冷轧
- Cold rolling
- 烘缸
- Drying cylinder
- 压榨
- Pressing
- 破碎机
- Crusher
- 振动筛
- Vibrating screen
- 回转支承
- Slewing bearing
- 磨煤机
- Coal pulverizer
Gear geometry determines the load path
Bearing positions
input, intermediate and output shafts and gear supports.
Arrangement differences
the deck lists deep-groove balls/cylindrical rollers for spur gears; helical gears add axial loading and use angular-contact balls, tapered or spherical rollers; internal meshes use cylindrical, tapered or spherical rollers.
Engineering focus
radial/axial load directions, locating/floating supports and shaft deflection from meshing.
Provide
gear geometry, ratio, torque, shaft position, support spacing and rotation direction.
Stage-specific wind gearboxes
Bearing positions
carriers, planet gears, low- and high-speed shafts.
Arrangement
single-row tapered carrier bearings, outer-ring-free cylindrical planet supports, and NU cylindrical rollers with paired tapers on shaft positions.
Conditions
low-speed heavy loads coexist with high-speed friction and temperature rise; a single speed/life figure cannot describe the whole gearbox.
Engineering focus
stage-specific load spectra, profiles, axial support, oil supply and housing deflection.
Steel-mill main drives: shocks and torque
Equipment positions
bar, section and plate main reducers and converter tilting drives.
Conditions
high power/torque, shocks and overturning moments with process-dependent loads.
Arrangement
full-complement cylindrical and spherical-roller examples.
Engineering focus
roller contact profiles, friction, precision and housing stiffness, together with installation and maintenance access.
Cement drives: mills and roller presses
Equipment positions
ball-mill, roller-press and vertical-mill reducers.
Conditions
combined loads, shocks and continuous duty, with lubrication cleanliness and thermal balance affecting reliability.
Arrangement
cylindrical, tapered and spherical rollers combined for the specific shaft position.
Engineering focus
contact profiles and cage structure/weight; assess life with actual meshing loads and duty spectra. Design hours in the deck are project-specific targets.
Marine and general industrial reducers
Equipment positions
marine drives and general industrial reducer shafts.
Conditions
marine examples emphasise stability, vibration, speed and corrosion; general reducers require load and envelope identification first.
Engineering focus
surface treatment, operating clearance, lubrication and mounting precision matched to duty.
Provide
shaft arrangement, operating conditions and original designation; distinguish like-for-like replacement from redesign.
Design optimisation: end contact and compact supports
Single-row tapered rollers
the deck shows surface roughness and roller-end/rib optimisation addressing noise and scuffing.
Outer-ring-free full-complement cylindrical rollers
compact planetary supports require attention to roller contact and rib/shoulder stresses.
Large thin-section tapered rollers
wind-bearing steels and profiles control contact distribution.
Scope
these are design approaches; a specific designation still requires matching drawings, material and duty.
Information for an application enquiry
Equipment and position
machine model, mounting position and complete bearing designation with suffixes. For replacements, include the original arrangement and fit dimensions.
Operating records
bearing speed in rpm, radial and axial loads, shocks and starts/stops. Paper-web and rolling-line speeds are not bearing rotational speeds.
Lubrication and assembly
lubricant grade, oil supply or relubrication records, temperature, mounted clearance or preload, seals and contamination.
Problem and objective
temperature rise, noise, vibration or flaking, timing, photographs and maintenance records, plus the outage window or redesign objective.
Related engineering guides
Clearance, fits and preload in precision equipment →Heavy loads and shocks in casting and rolling mills →Lubrication and temperature in pumps and motors →Replacement assessment for mining and cement equipment →Vibration and noise along gearbox drive trains →APPLICATION SUPPORT
Turn an equipment issue into a technical enquiry
Share the complete designation, position and operating records to discuss arrangements, lubrication, assembly or replacement.
Edited from the group’s 2025 industry presentation · Project records and design targets apply to their specific equipment conditions.
