Bearing Selector Guide
Below, you can quickly select the bearing or related product that is just right for your application. To start, expand the product section below (click on the "+" sign) that you are interested in to see the various selections available from AST. Then click on the product category to refine your choice. Ultimately, you will arrive at an interactive table where you will be able to define a wide variety of parameters and to filter and sort by size, type, configuration and other relevant information to make the best choice.
If you need further assistance selecting the product just right for your application, please don’t hesitate to contact us.
- Ball
Bearings - Ball bearings can
support moderate radial loads and moderate axial loads (parallel to the shaft).
They can operate at high speeds. Ball bearings with shields or seals for
protection are usually lubricated to last for the operating life.
- Airframe Control Ball Bearings: Single and Double Row - Airframe Control Bearings: KP, KPA, KPB, DSP, DPP, KSP and B500DD Torque Tube Series, Single and Double Row Ball Bearings
- Angular Contact Ball Bearings - 70, 72, 718, 719, H719, H70, and B70 Series - Metric
- Commercial Inch Series - 1600 Series: Open, Shielded and Sealed - Inch
- Double Row Angular Contact - 5200 and 5300 Series: Open, Shielded, Sealed - Metric
- Felt Sealed Single Row Ball Bearings - 8000, WC8000, 87000, WC87000, 88000 and WC8800 Series: Felt Seal and Metal Shield Combinations - ID/OD nominal metric, Widths - Inch
- Miniature
& Instrument Series, Stainless Steel - Inch and Metric - (Also known as Torque Tube and Thinex type bearings) Open,
Shielded, Shielded and Modified Dimension Bearings: Inch - Metric
- Inch Series - Open, Shielded and Sealed - Inch
- Metric Series - Open, Shielded and Sealed - Metric
- "R" Series Ball Bearings - Open, Shielded and Sealed - Inch
- Self Aligning Double Row - 1200, 1300, 2200 and 2300 Series - Metric
- Single Row Deep Groove - 6000, 6200 and 6300 Series: Open, Shielded, Sealed - Metric
- Square Bore Ball Bearings - Square Bore Ball Bearings Series - Inch
- Tapered Outer Diameter, Flanged - Tapered Outer Diameter, Flanged
- Thin
Section Bearings - Inch and Metric Series - "SR"
Series, 6700, 6800, 6900 Series: Open, Shielded and Sealed - Inch and Metric
- Inch "SR" Series - Open, Shielded and Sealed - Inch
- Metric Series - 6700, 6800, 6900 Series: Open, Shielded and Sealed - Metric
- Track Ball Bearings, Single and Double Row - Track Ball Bearings with Thick Outer Races, Single and Double Row - Metric
- Roller
Bearings - Roller bearings have
high radial load capacity and some designs can accept light axial loading. They
operate at moderate-to-high speeds. The lubrication method must be carefully
considered during the design phase when using roller bearings.
- Cam
Follower Roller Bearings, Stud Type - Inch and Metric - CF,
KR, KRV, NUKR and PWKR Series, with/without Seals: Inch and Metric
- Inch Series - CF Series, with/without Seals: Inch
- Metric Series - KR, KRV, NUKR and PWKR Series, with/without Seals: Metric
- Cylindrical Roller Bearings - N, NU, NJ, NUP, and RNU Series, with various cage designs: Metric
- Inner
Rings - Inch and Metric - PI and IR Series:
Inch and Metric
- Inch Series - PI Series: Inch
- Metric Series - IR Series: Metric
- Needle
Roller Bearings - Inch and Metric - SCE, SCE-PP, HK,
and HK-RS Series, cage guided, with/without Seals: Inch and Metric
- Inch Series - SCE and SCE-PP Series, cage guided, with/without seals: Inch
- Metric Series - HK, and HK-RS Series, cage guided, with/without seals: Metric
- Needle
Roller Bearings, Precision - Inch and Metric - NA,
NKI, NKIS, NA49-2RS, NA49-RS, RNAO, NCS, NK, RNA48, RNA49, and RNA69 Series,
with/without Inner Rings, with/without Seals: Inch and Metric,
- Inch Series - NCS Series without Inner Rings: Inch
- Metric Series - NA, NKI, NKIS, NA49-2RS, NA49-RS, RNAO, NK, RNA48, RNA49, and RNA69 Series with/without Inner Rings, with/without Seals: Metric
- Spherical Roller Bearings - 21300, 22300, 23200, 23100, 24100, 22200, 23900, 23000 and 24000 Series, straight and tapered bore, various cage options: Metric
- Tapered
Roller Bearings - Inch and Metric - Single Row and
Double Row
- Inch Series - Single Row and Double Row
- Metric Series - Single Row and Double Row
- Cam
Follower Roller Bearings, Stud Type - Inch and Metric - CF,
KR, KRV, NUKR and PWKR Series, with/without Seals: Inch and Metric
- Thrust
Bearings - Ball and Roller Type - Thrust bearings
are used for axial (parallel to the shaft) loading only. Roller thrust bearings
have higher load carrying capacities then equally sized ball thrust bearings.
Higher speed applications require oil lubrication.
- Ball Thrust Bearings - FM, F, 511, 512, 513, and 514 Series: Metric
- Cylindrical Roller Thrust Bearing Series - Cylindrical Roller Thrust Bearing - Metric
- Bushings - Bushings,
or plain bearings, operate with sliding motion between the moving surfaces.
Bushings are selected based on the rotating speed and the applied load. Most
bushings do not require additional lubrication to operate.
- AST11 Bronze backed, Bronze with PTFE Series - Metric - AST11, AST11-F, AST11-WC and AST11-SP Series, Straight Bushings, Flanged Bushings, Washers and Strip - Metric
- AST20
- Steel Shell with POM Plastic Liner - Inch and Metric - AST20--IB,
AST20--WC--IB, AST20, AST20-WC and AST20-SP Series, Straight Bushings, Washers
and Strip (metric) - Inch and Metric
- Inch Series - AST20--IB Straight Bushings and AST20--WC--IB Thrust Washers - Inch
- Metric Series - AST20, AST20WC and AST20-SP Series, Straight Bushings, Thrust Washers and Strip - Metric
- AST40 Steel Bronze with PTFE/Fibre Series - Metric - AST40, AST40-F, AST40-WC and AST40-SP Series, Straight Bushings, Flanged Bushings, Washers and Strip - Metric
- AST50
- Steel shell, Bronze powder with PTFE fibre - Inch and Metric - AST50--IB,
AST50--FIB, AST50--WC--IB, AST50, AST50-F, AST50-WC and AST50-SP Series,
Straight Bushings, Flanged Bushings, Washers and Strip (metric) - Inch and
Metric
- Inch Series - AST50--IB, AST50--FIB and AST50--WC--IB Series, Straight Bushings, Flanged Bushings and Washers - Inch
- Metric Series - AST50, AST50-F, AST50-WC and AST50-SP Series, Straight Bushings, Flanged Bushings, Washers and Strip - Metric
- AST090 Wrapped Bronze Series - Metric - AST090 and ASTB90 Series, Straight and Flanged - Metric
- ASTT90 Wrapped Bronze with thru holes Series - Metric - ASTT90 and ASTTB90 Series, Straight and Flanged - Metric
- AST650 Cast Bronze with solid lubricant plugs - Metric - AST650, AST650-F, AST650-W Series, Straight, Flanged, and Thrust Washer - Metric
- AST800 Bimetal Wrapped Steel with Bronze Series - Metric - AST800 Series - Metric [Also available in Flanged type]
- AST850BM Metal Backed Bronze Powder and Solid Lubricants Series - Metric - AST850BM Series, Straight - Metric ( also available in Stainless steel or Bronze )
- AST850SM Metal Backed Bronze Powder and Graphite Series - Metric - AST850SM Series, Straight - Metric
- ASTEPB Injection Molded Thermoplastic Series - Metric - ASTEPB, ASTEPB-F, and ASTEPB-W Series, Straight, Flanged and Thrust Washers - Metric [Inch series avaliable upon request]
- Filament Wound Self-lubricating Bearings - ASTCRG--L Series - Metric
- Spherical
Plain Bearings - Spherical plain bearings
are used for applications requiring rotation and oscillation. The rotation
takes place on a sliding surface so the limiting speed is slow. Many styles
require regular lubrication, but maintenance free styles are also available.
- Steel
on Steel - Inch and Metric - GEZ-ES,
GEZ-ES-2RS, GE-E, GE-ES, GE-ES-2RS, and GEF-ES Series, Steel-on-Steel,
with/without Seals: Inch and Metric
- Inch Series - GEZ-ES, and GEZ-ES-2RS Series, Steel-on-Steel, with/without Seals: Inch
- Metric Series - GE-E, GE-ES, GE-ES-2RS, and GEF-ES Series, Steel-on-Steel, with/without Seals: Metric
- Steel
on Steel High Mis-alignment - Inch and Metric - GEGZ-ES,
GEGZ-ES-2RS, GEG-E, GEG-ES, AND GEG-ES-2RS Series, Steel-on-Steel, with/without
Seals: Inch and Metric
- Inch Series - GEGZ-ES, and GEGZ-ES-2RS Series, Steel-on-Steel, with/without Seals: Inch
- Metric Series - GEG-E, GEG-ES, and GEG-ES-2RS Series, Steel-on-Steel, with/without Seals: Metric
- Steel
on Steel Extended Inner - Inch and Metric - GEWZ-ES,
GEWZ-ES-2RS, GEEW-ES, GEEM-ES and GEEM-ES-2RS Series, Steel-on-Steel,
with/without Seals: Inch and Metric
- Inch Series - GEWZ-ES and GEWZ-ES-2RS Series, Steel-on-Steel, with/without Seals: Inch
- Metric Series - GEEW-ES, GEEM-ES and GEEM-ES-2RS Series, Steel-on-Steel, with/without Seals: Metric
- Steel on Steel Double Fracture - Metric - GEC-XS, GEC-XS-2RS, GE-XS/K, and GEK-XS-2RS Series, Steel-on-Steel, with/without Seals : Metric
- Steel on Steel Double Direction Thrust - Inch - GEGZ-HS/K Series, Steel-on-Steel, with Shim Pack: Inch
- Steel on Bronze - Metric Series - GEBK-S Series, Steel-on-Bronze: Metric, Steel-on-Bronze
- Steel
on PTFE Composite Material - Metric Series - GEC-HC,
GEH-HC, GEC-HCS, and GEH-HCS Series, Steel-on-PTFE Composite Material, with
outer (-HC) or inner/outer (-HCS) lubrication grooves: Metric
- Outer Lubrication - GEC-HC, and GEH-HC Series, Steel-on-PTFE Composite Material, with outer (-HC) lubrication grooves: Metric
- Inner/Outer Lubrication - GEC-HCS, and GEH-HCS Series, Steel-on-PTFE Composite Material, with inner/outer (-HCS) lubrication grooves: Metric
- Steel
on PTFE Fabric Material - Inch and Metric Series - GE-ET-2RS,
GE-XT-2RS, GEG-ET-2RS, GEG-XT-2RS, GEZ-ET-2RS, GEFZ-T, GEC-XT, GEC-XT-2RS,
GEH-XT, GEH-XT-2RS, GEC-HT, and GEH-HT Series, Steel-on-PTFE Fabric Material,
Single/Double Fracture, with/without Seals: Inch and Metric
- Inch Series - GEFZ-T and GEZ-ET-2RS Series, Steel-on-PTFE Fabric Material, Single Fracture, with/without Seals: Inch
- Metric Series - GE-ET-2RS, GE-XT-2RS, GEG-ET-2RS, GEG-XT-2RS, GEC-XT, GEC-XT-2RS, GEH-XT, GEH-XT-2RS, GEC-HT, and GEH-HT Series, Steel-on-PTFE Fabric Material, Single/Double Fracture, with/without Seals: Metric
- Stainless Steel on PTFE Fabric Material - Metric - GE-ET/X, GE-ET-2RS/X, GE-XT/X, and GE-XT-2RS/X Series, Stainless Steel-on-PTFE Fabric Material, Single/Double Fracture, with/without Seals: Metric
- Steel on PTFE Plastic Material - Metric - GE-N AND GEG-N Series, Chrome Steel-on-PTFE Plastic Material: Metric
- Steel Outer w/ Copper Alloy Inner - Metric Series - GE-XF/Q, GEC-XF/Q, GEH-XF/Q and GEH-HF/Q Series, Steel Outer w/ Copper Alloy Inner, Single/Double Fracture: Metric
- Angular
Contact - Steel, PTFE Fabric, PTFE Plastic: Inch and Metric - GAC-S,
GACZ-S, GAC-T and GAC-N Series, Steel-on-Steel, Steel-on-PTFE Fabric,
Steel-on-PTFE Plastic: Inch and Metric
- Inch Series - GACZ-S Series, Steel-on-Steel: Inch
- Metric Series - GAC-S, GAC-T and GAC-N Series, Steel-on-Steel, Steel-on-PTFE Fabric, Steel-on-PTFE Plastic: Metric
- Thrust Loading - Steel, PTFE Fabric, PTFE Plastic: Metric - GX-S, GX-T, and GX-N Series: Metric, Steel-on-Steel, Steel-on-PTFE Fabric, Steel-on-PTFE Plastic
- Steel-on-Steel
and Steel-on-PTFE composite, Formed Outer Race - GEBJ_S,
CE_C, GEBJ_C, GEG_C and GEFZ_C (Inch series) - One piece formed outer ring, COM
Series
- Steel-on-Steel, - Metric and Inch Series - GEBJ_S, and GEFZ_S (Inch series) - One piece formed outer ring, COM Series
- Steel-on-PTFE composite - Metric and Inch Series - CE_C, GEBJ_C, GEG_C, and GEFZ_C (Inch series) - One piece formed outer ring, COM Series
- Steel
on Steel - Inch and Metric - GEZ-ES,
GEZ-ES-2RS, GE-E, GE-ES, GE-ES-2RS, and GEF-ES Series, Steel-on-Steel,
with/without Seals: Inch and Metric
- Rod
Ends - Rod ends consist of a
spherical ball mounted in a housing, typically with male or female threads.
They allow for oscillation/misalignment during slow rotation. Some rod end
types require lubrication, and other types are maintenance free.
- Rod
Ends, Male and Female, Steel on Steel, Steel on Bronze and Steel on PTFE Series
- Inch - SIZJ, SAZJ, SIZP-S and
SAZP-S Male and Female Series - Inch
- Inch Series - SAZJ and SAZP-S Male Series - Inch
- Metric Series - SIZJ and SIZP-S Female Series - Inch
- Rod
Ends, Male and Female, Steel on Steel, Steel on Bronze and Steel on PTFE Series
- Metric - SIJ, SAJ, SIBP-S,
SABP-S, SI-C, SA-C, SIJK-C, SAJK-C, SI-ET-2RS, SA-ET-2RS Male and Female Series
- Metric
- Inch Series - SAJ, SABP-S, SA-C, SAJK-C and SI-ET-2RS Male Series - Metric
- Metric Series - SIJ, SIBP-S, SI-C, SIJK-C and SI-ET-2RS Female Series - Metric
- Rod
Ends, Male and Female, Steel on Steel, Steel on Bronze and Steel on PTFE Series
- Inch - SIZJ, SAZJ, SIZP-S and
SAZP-S Male and Female Series - Inch
- Linear
Bushing Bearings and Linear Way Products - Linear
bushing bearings and linear way bearings incorporate several rows of
recirculating balls or rollers for low friction, precise linear motion. Linear
bushing bearings use a round shaft and linear way bearings have a rectangular
shaped track.
- Linear
Bushing Bearings - Round Shaft Series - Standard, Adjustable, and Open - with
& without seals - Inch and Metric - LBB, LBB-AJ,
LBB-OP, LBB-UU, LBB-UUAJ, LBB-UUOP, LBE, LBE-AJ, LBE-OP, LBE-UU, LBE-UUAJ,
LBE-UUOP, LBD, LBD-AJ, LBD-OP, LBD-UU, LBD-UUAJ, and LBD-UUOP Series: Inch and
Metric
- Linear Bushing Bearings - Round Shaft Series - Standard, Adjustable, and Open - with & without seals - Inch - LBB, LBB-AJ, LBB-OP, LBB-UU, LBB-UUAJ, and LBB-UUOP Series: Inch
- Linear Bushing Bearings - Round Shaft Series - Standard, Adjustable, and Open - with & without seals - Metric - LBE, LBE-AJ, LBE-OP, LBE-UU, LBE-UUAJ, LBE-UUOP, LBD, LBD-AJ, LBD-OP, LBD-UU, LBD-UUAJ, and LBD-UUOP Series: Metric
- Miniature
Linear Way Series - Standard and Wide, Carbon Steel and Stainless Steel - LWLC-B,
LWLC-N, LWLC, LWL-B, LWL-N, LWL-BCS, LWL, LWL-CS, LWLG-B, LWLG-N, LWLFC-B,
LWLFC-N, LWLFC, LWLF-B, LWLF-N, LWLF-BCS, LWLF, LWLF-CS, LWLFG-B, and LWLFG-N
Series - Standard and Wide
- Miniature Linear Way Series - Standard, Carbon Steel and Stainless Steel - LWLC-B, LWLC-N, LWLC, LWL-B, LWL-N, LWL-BCS, LWL, LWL-CS, LWLG-B, and LWLG-N Series - Standard
- Miniature Linear Way Series - Wide, Carbon Steel and Stainless Steel - LWLFC-B, LWLFC-N, LWLFC, LWLF-B, LWLF-N, LWLF-BCS, LWLF, LWLF-CS, LWLFG-B, and LWLFG-N Series - Wide
- Linear
Bushing Bearings - Round Shaft Series - Standard, Adjustable, and Open - with
& without seals - Inch and Metric - LBB, LBB-AJ,
LBB-OP, LBB-UU, LBB-UUAJ, LBB-UUOP, LBE, LBE-AJ, LBE-OP, LBE-UU, LBE-UUAJ,
LBE-UUOP, LBD, LBD-AJ, LBD-OP, LBD-UU, LBD-UUAJ, and LBD-UUOP Series: Inch and
Metric
- Pillow
Blocks, Flanges, Take Up Units and Bearing Inserts - Pillow
block bearings, flange bearings and take up bearings consist of a housing with
a bearing mounted in it. They are available in a wide variety of materials,
mounting configurations and various bearing features.
- Collar Clamp Ball Bearings - 3/16" to 1/2" Bore Series - Inch
- Two
Bolt Pillow Blocks - Set Screw or Locking Collar, Standard, Low Profile,
Thermoplastic or Economy Series, Normal or Wide Inner - Inch and Metric - UCP,
NAP, NAPK, UCP-G5PL, UCP-G5XPL, UCP-S6PL, UCPAN-G5PL, UCPAN-G5XPL , UCPAN-S6PL,
EAP, EBP, EASL, EBSL, SAP, SBP, SASL, and SBSL Series: Inch and Metric
- Inch Series - UCP, NAP, NAPK, UCP-G5PL, UCP-G5XPL, UCP-S6PL, UCPAN-G5PL, UCPAN-G5XPL , UCPAN-S6PL, EAP, EBP, EASL, EBSL, SAP, SBP, SASL, and SBSL Series: Inch
- Metric Series - UCP, NAP, NAPK, UCP-G5PL, UCP-G5XPL, UCP-S6PL, UCPAN-G5PL, UCPAN-G5XPL , UCPAN-S6PL, EAP, EBP, EASL, EBSL, SAP, SBP, SASL, and SBSL Series: Metric
- Two
Bolt Flanges - Standard and Thermoplastic Series - Inch and Metric - UCFL-2,
and UCFL-PL Series: Inch and Metric [ Many other types are available]
- Inch Series - UCFL-2, and UCFL-PL Series: Inch
- Metric Series - UCFL-2, and UCFL-PL Series: Metric
- Four
Bolt Flanges - Standard and Thermoplastic Series - Inch and Metric - UCF-2E,
and UCF-G5PL Series: Inch and Metric
- Inch Series - UCF-2E, and UCF-G5PL Series: Inch
- Metric Series - UCF-2E, and UCF-G5PL Series: Metric
- Take
Up Unit Bearings - Set Screw or Locking Collar, Standard, Thermoplastic or
Economy Series - Inch and Metric - UCT-2E, EAT, EBT,
SAT, SBT, UCT-G5PL, UCT-G5XPL and UCT-S6PL Series: Inch and Metric
- Inch Series - UCT-2E, EAT, EBT, UCT-G5PL, UCT-G5XPL and UCT-S6PL Series: Inch
- Metric Series - UCT-2E, SAT, SBT, UCT-G5PL, UCT-G5XPL and UCT-S6PL Series: Metric
- Flangette Series - 3/16" to 1/2" Bore Inch Series
- "ER" Cartridge Ball Bearing Inserts - ER Series - Metric
