Jaw type couplings have a specific use, it is a coupling that if it fails will keep running, without damage to equipment until it can be replaced it also can only run at up to 2 degrees out of alignment.

Showing 13–24 of 70 results

Boston Gear SSFC20-1 Jaw Coupling Hub 1/4 in x 1/8 in KW

SSFC Series Insert (3 Jaw) Type Couplings are made of 316 Stainless Steel and are available with precision machined bored or solid hubs. The SSFC Series coupling offers three types of inserts for different service requirements.

Boston Gear SSFC20 3/4" SS Jaw Coupling Hub

Bore Dia. 3/4 in Keyway Size Type 3/16 in x 3/32 in Outside Dia. 2 in Assembled Coupling Length 3.69 in Keyway Size 3/16" x 3/32" Overall Length 3.69 in UPC Number 884107384221

Boston Gear SSFC20-5/8 SS Jaw coupling hub

  • Size - Jaw Couplings: SSFC20
  • Keyway Size Type: 3/16 in x 3/32 in
  • Material - Hubs: Stainless Steel
  • Outside Dia.: 2 in
  • Assembled Coupling Length: 3.69 in
  • Overall Length: 3.69 in
  • UPC 884107384214

Boston Gear XFCA12 Poly Insert

Boston Gear Polyurethane Spider Insert for Boston Gear FC12 and SSFC12

Key Features

  • Size - Jaw Couplings FC12
  • Material - Spiders Synthetic Rubber
  • Rated Torque 125 in-lb
  • Max. RPM 3,600 RPM
  • HP Rating @ 100 RPM 0.19

Boston Gear XFCA15 Polyurethane Shaft Coupling Insert

Boston Gear Polyurethane Spider Insert for Boston Gear FC15 and SSFC15
BOSTON GEAR Polyurethane Spider Insert: FC15, 250 in-lb Rated Torque, 3,600 RPM Max., -32° to 200°F

Boston Gear XFCA20 Polyurethane Spider Insert

MFR DESCRIPTION XFCA20 NON METAL INSERTS 08054
  • Oil-Resistant Synthetic Rubber is recommended where quietness is desired, particularly at motor speeds
  • Polyurethane is recommended where moderate to heavy shock loads are encountered
  • Oil-Impregnated Bost-Bronze is recommended for high torque loads, particularly at slower speeds
Boston Gear Polyurethane Spider Insert for Boston Gear FC20 and SSFC20

Boston Gear XFCA25 Polyurethane Shaft Coupling Insert

  • Size - Jaw Couplings: FC25
  • Material - Spiders: Polyurethane
  • Rated Torque: 845 in-lb
  • Max. RPM: 3,600 RPM
  • HP Rating @ 100 RPM: 1.20
  • Temp. Range: -32 Degrees to 200 Degrees F
  • HP Rating @ 1750 RPM: 19.3 hp

Boston Gear XFCA30 Polyurethane Shaft Coupling Insert

Boston Gear Polyurethane Spider insert - Boston Gear FC30 and SSFC30
  • Size - Jaw Couplings: FC30
  • Material - Spiders: Polyurethane
  • Rated Torque: 1,500 in-lb
  • Max. RPM: 3,600 RPM
  • HP Rating @ 100 RPM: 2.20
  • Temp. Range: -32 Degrees to 200 Degrees F
  • Serviceable Temp. Range (F): -32 to 200

Boston Gear XFCA38 Polyurethane Shaft Coupling Insert

Boston Gear Polyurethane Spider Insert for Boston Gear FC38 and SSFC38
  • Size - Jaw Couplings: FC38
  • Material - Spiders: Polyurethane
  • Rated Torque: 3,000 in-lb
  • Max. RPM: 1,800 RPM
  • HP Rating @ 100 RPM: 4.30
  • Temp. Range: -32 Degrees to 200 Degrees F
  • HP Rating @ 1150 RPM: 45.8 hp

Boston Gear XFCA45 Polyurethane Spider Insert

Boston Gear Polyurethane spider insert Boston Gear FC45 and SSFC45
  • Size - Jaw Couplings: FC45
  • Material - Spiders: Polyurethane
  • Rated Torque: 5,250 in-lb
  • Max. RPM: 1,800 RPM
  • HP Rating @ 100 RPM: 7.50
  • Temp. Range: -32 Degrees to 200 Degrees F
  • HP Rating @ 300 RPM: 22.4

Boston Gear XFCBB12 BOST-BRONZ Shaft Coupling Insert

Boston Gear Bost-Bronz spider insert for Boston Gear FC12 and SSFC12

PRODUCT DETAILS

  • Size FC12 Coupling Insert
  • Bronze

FEATURES

  • Recommended for high torque loads, particularly at slower speeds
  • Mfr # 08064

Boston Gear XFCBB15 Bost-Bronz Coupling Insert

Boston Gear Bost-Bronz spider insert for Boston Gear FC15 and SSFC15 Mfr # XFCBB15 BRONZE INSERTS 08066