Description
Brand - RBC
Item Number - SJ 8477 SS RBC
Category - Pitchlign Precision Ground Heavy Duty Needle Roller Bearings with Seals
Principal Dimensions & Load Ratings (Imperial) :
Nominal Inside Diameter (Fw) - 2.75 inch
Minimum Inside Diameter (Fw) - 2.7511 inch
Maximum Inside Diameter (Fw) - 2.7521 inch
Maximum Outside Diameter (D) - 3.5 inch
Minimum Outside Diameter (D) - 3.4992 inch
Width (B) - 1.75 inch
Maximum Housing Fillet (r1) - 0.08 inch
Approximate Weight - 1.46 lbs
Housing Shoulder Diameter - 3.125 inch
Dynamic Capacity (C) - 16300 lbf
Static Capacity (C0) - 39600 lbf
Limit Speed - 1400 rpm
Maximum Recommended Shaft Diameter (ISO h6, use with H7 hsg fit) - 2.75 inch
Minimum Recommended Shaft Diameter (ISO h6, use with H7 hsg fit) - 2.7493 inch
Maximum Recommended Shaft Diameter (ISO f6, use with N7 hsg fit) - 2.7488 inch
Minimum Recommended Shaft Diameter (ISO f6, use with N7 hsg fit) - 2.7481 inch
Minimum Recommended Housing Bore (Slip Fit ISO H7) - 3.5 inch
Maximum Recommended Housing Bore (Slip Fit ISO H7) - 3.5014 inch
Mean Fit Recommended Housing Bore (Slip Fit ISO H7) - 0.0011L inch
Minimum Recommended Housing Bore (Press Fit ISO H7) - 3.4982 inch
Maximum Recommended Housing Bore (Press Fit ISO H7) - 3.4996 inch
Mean Fit Recommended Housing Bore (Press Fit ISO H7) - 0.0007T inch
Principal Dimensions & Load Ratings (Metric) :
Approximate Weight - 0.07076 kg
Description Of Suffix :
•SS - Double seal with one seal mounted in chamfered end with sealing lip turned out- ward to exclude dirt and one seal mount- ed in radius end with sealing lip turned inward to retain lubricant.
Other salient points to be noted :
• The numeric portion of a suitable inner ring part number matches the numeric component of the bearing. Inner rings with suffix -C or -D differ in inside diameter
• Example: Suitable inner rings for bearing SJ 8447 SS ( 2 1/2" x 3 1/4" x 1 3/4") are:
a) IR 8447 (1 15/16"ID x 2 1/2"OD x 1 3/4"W) or,
b) IR 8447 C (2"ID x 2 1/2"OD x 1 3/4"W) or,
c) IR 8447 C1 (2 1/8"ID x 2 1/2"OD x 1 3/4"W).
• Inner rings must be ordered separately.
• Outer rings have a radius on one end and a break corner at the opposite end.
• When assembling shaft against the sealing lip, the shaft end must be chamfered
• For effective sealing the shaft must have a finish of 20 micro inches maximum
• These seals are suitable for shaft speeds of 1,000 feet per minute—higher speeds are possible but seal life is shortened
• This type of seal is suitable for a continuous operating temperature of 250° F. However, they will operate under intermittent temperatures of up to 300° F
• When ordering, be sure to designate how the seal is to be mounted by using the correct suffix—unless specified otherwise, type "SS" will be shipped
♦ ♦ Images are for representation purposes only
Item Number - SJ 8477 SS RBC
Category - Pitchlign Precision Ground Heavy Duty Needle Roller Bearings with Seals
Principal Dimensions & Load Ratings (Imperial) :
Nominal Inside Diameter (Fw) - 2.75 inch
Minimum Inside Diameter (Fw) - 2.7511 inch
Maximum Inside Diameter (Fw) - 2.7521 inch
Maximum Outside Diameter (D) - 3.5 inch
Minimum Outside Diameter (D) - 3.4992 inch
Width (B) - 1.75 inch
Maximum Housing Fillet (r1) - 0.08 inch
Approximate Weight - 1.46 lbs
Housing Shoulder Diameter - 3.125 inch
Dynamic Capacity (C) - 16300 lbf
Static Capacity (C0) - 39600 lbf
Limit Speed - 1400 rpm
Maximum Recommended Shaft Diameter (ISO h6, use with H7 hsg fit) - 2.75 inch
Minimum Recommended Shaft Diameter (ISO h6, use with H7 hsg fit) - 2.7493 inch
Maximum Recommended Shaft Diameter (ISO f6, use with N7 hsg fit) - 2.7488 inch
Minimum Recommended Shaft Diameter (ISO f6, use with N7 hsg fit) - 2.7481 inch
Minimum Recommended Housing Bore (Slip Fit ISO H7) - 3.5 inch
Maximum Recommended Housing Bore (Slip Fit ISO H7) - 3.5014 inch
Mean Fit Recommended Housing Bore (Slip Fit ISO H7) - 0.0011L inch
Minimum Recommended Housing Bore (Press Fit ISO H7) - 3.4982 inch
Maximum Recommended Housing Bore (Press Fit ISO H7) - 3.4996 inch
Mean Fit Recommended Housing Bore (Press Fit ISO H7) - 0.0007T inch
Principal Dimensions & Load Ratings (Metric) :
Approximate Weight - 0.07076 kg
Description Of Suffix :
•SS - Double seal with one seal mounted in chamfered end with sealing lip turned out- ward to exclude dirt and one seal mount- ed in radius end with sealing lip turned inward to retain lubricant.
Other salient points to be noted :
• The numeric portion of a suitable inner ring part number matches the numeric component of the bearing. Inner rings with suffix -C or -D differ in inside diameter
• Example: Suitable inner rings for bearing SJ 8447 SS ( 2 1/2" x 3 1/4" x 1 3/4") are:
a) IR 8447 (1 15/16"ID x 2 1/2"OD x 1 3/4"W) or,
b) IR 8447 C (2"ID x 2 1/2"OD x 1 3/4"W) or,
c) IR 8447 C1 (2 1/8"ID x 2 1/2"OD x 1 3/4"W).
• Inner rings must be ordered separately.
• Outer rings have a radius on one end and a break corner at the opposite end.
• When assembling shaft against the sealing lip, the shaft end must be chamfered
• For effective sealing the shaft must have a finish of 20 micro inches maximum
• These seals are suitable for shaft speeds of 1,000 feet per minute—higher speeds are possible but seal life is shortened
• This type of seal is suitable for a continuous operating temperature of 250° F. However, they will operate under intermittent temperatures of up to 300° F
• When ordering, be sure to designate how the seal is to be mounted by using the correct suffix—unless specified otherwise, type "SS" will be shipped
♦ ♦ Images are for representation purposes only
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