Train Bearings

• double row cylindrical roller bearings
• ball bearings
• spherical roller bearings
• cylindrical roller bearings specified by UIC
• double row cylindrical roller bearings standardized by UIC
• single and double row tapered roller bearings standardized by UIC

APPLICATION

• axle box
• transmission
• traction motors

INTERNAL DESIGN

• B-asymmetrical rollers
• C-symmetrical rollers
• R-bearings without inner rings

CAGE

• M-machined brass cage, roller centered
• MA-machined brass cage, outer ring centered
• TN-injection moulded cage of glass fibre

CALCULATION OF RATING LIFE

• according with ISO 281:2007

LUBRICATION

• W33-annular groove and three lubrication holes

RUNNING ACCURACY

• P6-according with ISO tolerance class 6

RADIAL CLEARANCE

• No code-standard
• C3-greater than standard
• C4-greater than C3

BORE TYPE

• K-tapered bore ratio 1:12
• No code-cylindrical