Aurora Bearing Company
Aurora Bearing Company
901 Aucutt Rd.
Montgomery, IL 60538
Phone: 630.859.2030 • Fax: 630.859.0971
Email: customersupport@aurorabearing.com • Website: www.aurorabearing.com
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Timken® Self-Aligning Tapered Roller Bearing Mounted Bearings are designed for applications from aggregate and steel to mining and power generation. The heavy duty housing and cartridge are made from cast steel to stand up to the harshest conditions, and are designed to accept +/-4 degrees of misalignment.. Metric sizes also are available in shaft diameters ranging from 35 mm to 125 mm.

Open and Closed end covers available for purchase.
Type-ESA-Pillow-Block-4-Bolt-Base-Bearing
Type ESA Single Collar Pillow Block-4Bolt_Dimensions
Unit of Measure
1 2 3 4 

Part Number

Shaft Size

Shaft Size Type

Bolt Spacing Min

Bolt Spacing Max

Base to Center Height

C90 Dynamic Load Rating

Max. Speed

Lubrication

CAD

KSA-P4BA-TRB-3 7/16 N/A 3 7/16 in N/A Imperial N/A 10-7/8 in N/A 13-13/16 in N/A 4-1/2 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
KSA-P4BA-TRB-3 7/16E N/A 3 7/16 in N/A Imperial N/A 10-7/8 in N/A 13-13/16 in N/A 4-1/2 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-3 3/16 N/A 3 7/16 in N/A Imperial N/A 282.6 mm11-1/8 in N/A 298.5 mm11-3/4 in N/A 100 mm3-15/16 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-3 7/16 N/A 3 7/16 in N/A Imperial N/A 276.2 mm10-7/8 in N/A 339.7 mm13-3/8 in N/A 111.9 mm4-13/32 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-3 3/16E N/A 3 3/16 in N/A Imperial N/A 282.6 mm11-1/8 in N/A 298.5 mm11-3/4 in N/A 100 mm3-15/16 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-3 7/16E N/A 3 7/16 in N/A Imperial N/A 276.2 mm10-7/8 in N/A 339.7 mm13-3/8 in N/A 111.9 mm4-13/32 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-3 1/2 N/A 3 1/2 in N/A Imperial N/A 10-9/16 in N/A 11-3/4 in N/A 3-3/4 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-3 1/2E N/A 3 1/2 in N/A Imperial N/A 10-9/16 in N/A 11-3/4 in N/A 3-3/4 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-3 1/2 N/A 3 1/2 in N/A Imperial N/A 10-7/8 in N/A 13-3/8 in N/A 4-1/2 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-3 1/2E N/A 3 1/2 in N/A Imperial N/A 10-7/8 in N/A 13-3/8 in N/A 4-1/2 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
KSA-P4BA-TRB-3 1/2 N/A 3 1/2 in N/A Imperial N/A 10-7/8 in N/A 13-13/16 in N/A 4-1/2 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
KSA-P4BA-TRB-3 1/2E N/A 3 1/2 in N/A Imperial N/A 10-7/8 in N/A 13-13/16 in N/A 4-1/2 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-3 1/2 N/A 3 1/2 in N/A Imperial N/A 276.2 mm10-7/8 in N/A 339.7 mm13-3/8 in N/A 111.9 mm4-13/32 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-3 1/2E N/A 3 1/2 in N/A Imperial N/A 276.2 mm10-7/8 in N/A 339.7 mm13-3/8 in N/A 111.9 mm4-13/32 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-90MM N/A 90 mm N/A Metric N/A 10-9/16 in N/A 11-3/4 in N/A 3-3/4 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-90MME N/A 90 mm N/A Metric N/A 10-9/16 in N/A 11-3/4 in N/A 3-3/4 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-90MM N/A 90 mm N/A Metric N/A 10-7/8 in N/A 13-3/8 in N/A 4-1/2 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-90MME N/A 90 mm N/A Metric N/A 10-7/8 in N/A 13-3/8 in N/A 4-1/2 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-90MM N/A 90 mm N/A Metric N/A 276.2 mm10-7/8 in N/A 339.7 mm13-3/8 in N/A 111.9 mm4-13/32 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-90MME N/A 90 mm N/A Metric N/A 276.2 mm10-7/8 in N/A 339.7 mm13-3/8 in N/A 111.9 mm4-13/32 in N/A 19600 lbf N/A 1640 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-100MM N/A 100 mm N/A Metric N/A 11 in N/A 13 in N/A 4-1/4 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-100MME N/A 100 mm N/A Metric N/A 11 in N/A 13 in N/A 4-1/4 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-100MM N/A 100 mm N/A Metric N/A 11-7/8 in N/A 14-1/2 in N/A 4-15/16 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-100MME N/A 100 mm N/A Metric N/A 11-7/8 in N/A 14-1/2 in N/A 4-15/16 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-100MM N/A 100 mm N/A Metric N/A 301.6 mm11-7/8 in N/A 368.3 mm14-1/2 in N/A 125 mm4-59/64 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-100MME N/A 100 mm N/A Metric N/A 301.6 mm11-7/8 in N/A 368.3 mm14-1/2 in N/A 125 mm4-59/64 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-3 15/16 N/A 3 15/16 in N/A Imperial N/A 11 in N/A 13 in N/A 4-1/4 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-3 15/16E N/A 3 15/16 in N/A Imperial N/A 11 in N/A 13 in N/A 4-1/4 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-3 15/16 N/A 3 15/16 in N/A Imperial N/A 11-7/8 in N/A 14-1/2 in N/A 4-15/16 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-3 15/16E N/A 3 15/16 in N/A Imperial N/A 11-7/8 in N/A 14-1/2 in N/A 4-15/16 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
KSA-P4BA-TRB-3 15/16 N/A 3 15/16 in N/A Imperial N/A 13-1/8 in N/A 14-3/4 in N/A 5 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
KSA-P4BA-TRB-3 15/16E N/A 3 15/16 in N/A Imperial N/A 13-1/8 in N/A 14-3/4 in N/A 5 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-3 15/16 N/A 3 15/16 in N/A Imperial N/A 301.6 mm11-7/8 in N/A 368.3 mm14-1/2 in N/A 125 mm4-59/64 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-3 15/16E N/A 3 15/16 in N/A Imperial N/A 301.6 mm11-7/8 in N/A 368.3 mm14-1/2 in N/A 125 mm4-59/64 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-4 N/A 4 in N/A Imperial N/A 11 in N/A 13 in N/A 4-1/4 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-4E N/A 4 in N/A Imperial N/A 11 in N/A 13 in N/A 4-1/4 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-4 N/A 4 in N/A Imperial N/A 11-7/8 in N/A 14-1/2 in N/A 4-15/16 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-4E N/A 4 in N/A Imperial N/A 11-7/8 in N/A 14-1/2 in N/A 4-15/16 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
KSA-P4BA-TRB-4 N/A 4 in N/A Imperial N/A 13-1/8 in N/A 14-3/4 in N/A 5 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
KSA-P4BA-TRB-4E N/A 4 in N/A Imperial N/A 13-1/8 in N/A 14-3/4 in N/A 5 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-4 N/A 4 in N/A Imperial N/A 301.6 mm11-7/8 in N/A 368.3 mm14-1/2 in N/A 125 mm4-59/64 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-4E N/A 4 in N/A Imperial N/A 301.6 mm11-7/8 in N/A 368.3 mm14-1/2 in N/A 125 mm4-59/64 in N/A 26900 lbf N/A 1530 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-110MM N/A 110 mm N/A Metric N/A 11-3/4 in N/A 13-7/8 in N/A 4-3/4 in N/A 33000 lbf N/A 1360 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-110MME N/A 110 mm N/A Metric N/A 11-3/4 in N/A 13-7/8 in N/A 4-3/4 in N/A 33000 lbf N/A 1360 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-110MM N/A 110 mm N/A Metric N/A 13 in N/A 14-1/2 in N/A 5-1/4 in N/A 33000 lbf N/A 1360 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SAFSA-P4BA-TRB-110MME N/A 110 mm N/A Metric N/A 13 in N/A 14-1/2 in N/A 5-1/4 in N/A 33000 lbf N/A 1360 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-110MM N/A 110 mm N/A Metric N/A 342.9 mm13-1/2 in N/A 355.6 mm14 in N/A 140.1 mm5-33/64 in N/A 33300 lbf N/A 1360 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-110MME N/A 110 mm N/A Metric N/A 342.9 mm13-1/2 in N/A 355.6 mm14 in N/A 140.1 mm5-33/64 in N/A 33300 lbf N/A 1360 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
SNSA-P4BA-TRB-4 1/2E N/A 4 1/2 in N/A Imperial N/A 367.5 mm14-15/32 in N/A 400.1 mm15-3/4 in N/A 150 mm5-29/32 in N/A 33300 lbf N/A 1360 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
ESA-P4BA-TRB-4 7/16 N/A 4 7/16 in N/A Imperial N/A 11-3/4 in N/A 13-7/8 in N/A 4-3/4 in N/A 33000 lbf N/A 1360 rpm N/A Grease - Premium Industrial N/A CAD Icon (for items table)
Unit of Measure
1 2 3 4