The RBC® BEARINGS offers a full line of airframe control ball bearings to the aerospace industry  in both “Standard” and “Precision” series. The prefix “M” in a bearing number indicates that it is of a precision series. Although designed and manufactured under demanding quality control requirements for airborne systems, these bearings have been successfully used in many industrial applications, where oscillatory movement, high loads, or corrosive environments are prevalent.

RBC® BEARINGS airframe control ball bearings conform to SAE-AS7949 (formerly MIL-B-7949) and many major OEM specifications. These bearings are of lightweight design, corrosion-resistant, grease-lubricated, and typically sealed. Airframe control bearing rings and balls are made of hardened bearing alloy, AISI 52100, with all exposed surfaces, except bearing bore, caps and seals, plated for corrosion protection. For improved corrosion protection, RBC® BEARINGS  supplies bearings made of hardened stainless steel alloy, AISI 440C. This alloy may be passivated or plated with cadmium or zinc nickel for enhanced corrosion protection.

The RBC® BEARINGS Airframe Control Ball Bearings are offered in different series. The KP/KP-A and KSP/KSP-A series, presented separately, are briefly discussed below.

KP (Heavy Duty) and KP-A (Medium Duty) SAE-AS7949 Series radial ball bearings  manufactured with Plyoseals. KP heavy duty single row sealed bearings comply with MS27640 specifications while KP-A medium duty single row ball deep groove sealed bearings with MS27641 specifications. Both KP and KP-A radial ball bearings are prelubricated for life and feature PTFE seals and CRES sealcaps, cadmium plated exposed surfaces except bore, caps, and seals. Both are also offered with CRES 440C material and/or zinc nickel plating per OEM specifications. Load limit ratings: Radial 1230-lbs, thrust 300-lbs.

KSP/KSP-A Series SAE-AS7949 Series single/double row, self-aligning, light and heavy duty ball bearings with bonded PTFE seals and cadmium plated exposed surfaces except bore, caps, and seals. Like those of KP/KP-A Series, both KSP and KSP-A bearings are prelubricated for life and are also offered with CRES 440C material and/or zinc nickel plating per OEM specifications.

For additional information please refer to the supplied documentation in the respective product presentations.

RBC NICE 5000 Series bearings are similar in construction to those of 400 Series except that they have a flange on the outer ring to locate the bearing when pressed into a tube or housing, thus eliminating the need for an external mounting device. Designed for moderate loads and speeds (not exceeding 1200 rpm) where running accuracy and noise level requirements do not warrant the more expensive precision ground bearings. They feature a full ball complement without a retainer. The rings are case hardened and the soft steel band on the outer ring of the unitized assembly allows the bearing to be pressed into a housing without the necessity of close housing tolerances. The bearings are supplied pre-greased as a standard. 

NICE 5000 Series Specifications (See chart )

RBC Aerospace Bearings offers a full line of Mil Spec standard lined journal bearings, unlined bushings, and many specialty and custom designed products to support the aerospace industry.   Journals are designed in a straight (plain) configuration with a flange to accommodate a combination of radial and axial loads with corrosion resistant materials and coatings. Journals are also offered in high temperature and water resistant series. Typical journal materials are CRES 17-4PH and aluminum.  Bearings may also be cadmium or zinc nickel plated as required while CRES 440C and Inconel® 718 are available upon request. Journal bore and flanged journal face surfaces may also be provided with various liner systems to satisfy specific application requirements. Machinable liners  are qualified to AS81934 (formerly MIL-B-81934). For additional information please refer to the attached documentation.

AS8976 narrow spherical bearings from RBC Aerospace Bearings are available in grooved or chamfered versions from steel (MS21154S grooved & MS21155S chamfered steel series) or bronze (MS21154B grooved & MS21155B chamfered bronze series). For additional information please refer to the attached documentation.

AS8976 Bearing Product Features:

• Qualified to AS8976 (formerly MIL-B-8976)

• Narrow series, metal-to-metal

• Material MS21154S & MS21155S steel series 03-503 and 03-505

Outer ring: Alloy steel, AMS-S-5000, AMS-S-6758 or AMS-S-6050

Inner ring: CRES 440C, HRC 55 min. AMS 5630

• Material MS21154B & MS21155B bronze series 03-523 and 03-525

Outer ring: Aluminum bronze

Inner ring: CRES 440C, HRC 55 min. AMS 5630

The RBC range of angular contact ball bearings have a contact angle so that they can sustain significant axial loads in one direction together with radial loads. A-Type thin section bearings are manufactured from 

52100 Steel and feature a large diameter, light weight, a small cross section and a circular pocket ball separator. They are available in the following series with different cross section sizes, dimensions and load ratings. Please refer to the specifications table for additional information.

Series KAA - Cross Section Size: 3/16"

Series KA - Cross Section Size: 1/4"

Series KB - Cross Section Size: 5/16"

Series KC - Cross Section Size: 3/8"

Series KD - Cross Section Size: 1/2"

Series KF - Cross Section Size: 3/4"

Series KG - Cross Section Size: 1"

The RBC® BEARINGS offers a full line of airframe control ball bearings to the aerospace industry  in both “Standard” and “Precision” series. The prefix “M” in a bearing number indicates that it is of a precision series. Although designed and manufactured under demanding quality control requirements for airborne systems, these bearings have been successfully used in many industrial applications, where oscillatory movement, high loads, or corrosive environments are prevalent.

RBC® BEARINGS airframe control ball bearings conform to SAE-AS7949 (formerly MIL-B-7949) and many major OEM specifications. These bearings are of lightweight design, corrosion-resistant, grease-lubricated, and typically sealed. Airframe control bearing rings and balls are made of hardened bearing alloy, AISI 52100, with all exposed surfaces, except bearing bore, caps and seals, plated for corrosion protection. For improved corrosion protection, RBC® BEARINGS  supplies bearings made of hardened stainless steel alloy, AISI 440C. This alloy may be passivated or plated with cadmium or zinc nickel for enhanced corrosion protection.

The RBC® BEARINGS Airframe Control Ball Bearings are offered in different series. The KP/KP-A and KSP/KSP-A series, presented separately, are briefly discussed below.

KP (Heavy Duty) and KP-A (Medium Duty) SAE-AS7949 Series radial ball bearings  manufactured with Plyoseals. KP heavy duty single row sealed bearings comply with MS27640 specifications while KP-A medium duty single row ball deep groove sealed bearings with MS27641 specifications. Both KP and KP-A radial ball bearings are prelubricated for life and feature PTFE seals and CRES sealcaps, cadmium plated exposed surfaces except bore, caps, and seals. Both are also offered with CRES 440C material and/or zinc nickel plating per OEM specifications. Load limit ratings: Radial 1230-lbs, thrust 300-lbs.

KSP/KSP-A Series SAE-AS7949 Series single/double row, self-aligning, light and heavy duty ball bearings with bonded PTFE seals and cadmium plated exposed surfaces except bore, caps, and seals. Like those of KP/KP-A Series, both KSP and KSP-A bearings are prelubricated for life and are also offered with CRES 440C material and/or zinc nickel plating per OEM specifications.

For additional information please refer to the supplied documentation in the respective product presentations.

RBC SAE-AS7949 MS27646 B500DD Series Airframe Control Extra Light Torque Tube Ball Bearings are single row, self-aligning, extra light duty ball bearings with PTFE seals and cadmium plated exposed surfaces except bore, caps, and seals. This series is dimensionally interchangeable with the unsealed B500 series. MS27646 B500DD Series bearings are prelubricated for life and are also offered with CRES 440C material and/or zinc nickel plating per OEM specifications. Please refer to the attached reference chart.

The RBC® BEARINGS offers a full line of airframe control ball bearings to the aerospace industry  in both “Standard” and “Precision” series. The prefix “M” in a bearing number indicates that it is of a precision series. Although designed and manufactured under demanding quality control requirements for airborne systems, these bearings have been successfully used in many industrial applications, where oscillatory movement, high loads, or corrosive environments are prevalent.

RBC® BEARINGS airframe control ball bearings conform to SAE-AS7949 (formerly MIL-B-7949) and many major OEM specifications. These bearings are of lightweight design, corrosion-resistant, grease-lubricated, and typically sealed. Airframe control bearing rings and balls are made of hardened bearing alloy, AISI 52100, with all exposed surfaces, except bearing bore, caps and seals, plated for corrosion protection. For improved corrosion protection, RBC® BEARINGS  supplies bearings made of hardened stainless steel alloy, AISI 440C. This alloy may be passivated or plated with cadmium or zinc nickel for enhanced corrosion protection.

The RBC® BEARINGS MKP/MKP-A SAE-AS7949 Precision Series airframe control bearings are single row, heavy duty (MKP) or medium duty (MKP-A) radial ball bearings with PTFE seals and CRES sealcaps. MKP Series bearings conform with MS27640-R specifications while those of MKP-A Series with MS27641-R. External surfaces (except bore, caps, and seals) are cadmium plated. They come prelubricated for life and are also offered with CRES 440C material and/or zinc nickel plating per OEM specifications. For additional information please refer to the supplied documentation.

The RBC® BEARINGS offers a full line of airframe control ball bearings to the aerospace industry  in both “Standard” and “Precision” series. The prefix “M” in a bearing number indicates that it is of a precision series. Although designed and manufactured under demanding quality control requirements for airborne systems, these bearings have been successfully used in many industrial applications, where oscillatory movement, high loads, or corrosive environments are prevalent.

RBC® BEARINGS airframe control ball bearings conform to SAE-AS7949 (formerly MIL-B-7949) and many major OEM specifications. These bearings are of lightweight design, corrosion-resistant, grease-lubricated, and typically sealed. Airframe control bearing rings and balls are made of hardened bearing alloy, AISI 52100, with all exposed surfaces, except bearing bore, caps and seals, plated for corrosion protection. For improved corrosion protection, RBC® BEARINGS  supplies bearings made of hardened stainless steel alloy, AISI 440C. This alloy may be passivated or plated with cadmium or zinc nickel for enhanced corrosion protection.

The RBC® BEARINGS MKSP/MKSP-A SAE-AS7949 Precision Series airframe control self aligning bearings are single row, heavy duty (MKSP) or medium duty (MKSP-A) ball bearings with PTFE seals and CRES sealcaps. These bearings are self aligning for 10 Deg. in either direction  except those with part numbers MKSP4A, MKSP5A and MKSP6A which are self aligning for 8 Deg. in either direction. The RBC® BEARINGS MKSP/MKSP-A bearings conform with MS27645-R specifications. External surfaces (except bore, caps, and seals) are cadmium plated. They come prelubricated for life and are also offered with CRES 440C material and/or zinc nickel plating per OEM specifications. For additional information please refer to the supplied documentation.

The RBC® BEARINGS offers a full line of Mil Spec standards and many specialty and custom spherical plain bearings to the aerospace industry and all major OEM specifications. Both metal-to-metal and self-lubricating bearings are available in different configurations including swaged construction, load leader slot, split ball and high misalignment designs, with high temperature and light weight titanium and aluminum series. Sealed versions are also available. Various materials are used in RBC® swaged spherical bearings including races made from 17-4PH, 15-5PH, aluminum-bronze, AISI303, Inconel® -718, aluminum, and titanium, and spherical plain balls made from 440C, 52100 chrome plated, 13-8PHMo, Stellite®, Beryllium-Copper, aluminum and titanium. Race and ball surfaces may also be provided with a dry film lubricant for high temperature applications or various coatings to enhance corrosion resistance and reduce wear. 

RBC® manufactures 4 different self-lubricating liner materials that are qualified to AS81820 (formerly Mil-B- 81820). In addition, over 60 other self-lubricating materials are available for specific characteristic; such as high temperature for turbine engine applications or machinability for airframe, helicopter, and landing gear applications. RBC® spherical plain bearings have been qualified to stringent SAE, military, NAS, AECMA, and customer design and performance standards in RBC® test laboratories. 

MS14101/MS14104 Product Features:

• NEG Series (Grooved  outer ring)

• NE Series (Chamfered  outer ring)

• AS81820 (formerly MIL-B-81820)

• Narrow series, self-lubricated

• High temperature — low wear (-65°F to +325°F, -53.9°C to +162.8°C)

• Material

Outer ring: CRES 17-4PH, AMS 5643, HRC 28 min.

Inner ring: CRES 440C, AMS 5630, HRC 55 min.

Liner: Fibriloid® or “E” Uniflon® qualified to AS81820