Brake Products, Inc.   16751 Hilltop Park Place
  Chagrin Falls, Ohio 44023
  Phone: (440) 543-7962
  Fax:     (440) 543-7963
  Web:   www.brakeproducts.com
  Email: sales@brakeproducts.com
Supplier of Industrial Brake Parts Since 1985
• Why Renold Ajax?
• Features
• Full-Flex Metal Seal Couplings
• Flex-Rigid Metal Seal Couplings
• Mill Motor Metal Seal Couplings
• Flange and Bore Specifications for Metal
  and O-Ring Seal Couplings
• Typical Custom Designed Couplings
• Full-Flex O-Ring Seal Couplings
• Flex-Rigid O-Ring Seal Couplings
• Mill Motor O-Ring Seal Couplings
• Heavy Duty Couplings
• Full-Flex Heavy Duty O-Ring Seal Couplings
• Flex-Rigid Heavy Duty O-Ring Seal Couplings
 		  • Standard Extended Shaft Gaps
• Installation Information Standard and Heavy Duty Sizes
• Installation, Maintenance, Lubrication
• D Series Couplings High Misalignment, Full-Flex
• D Series Couplings High Misalignment, Flex-Rigid
• DS Series Spindle Couplings
• D Series and DS Gear Tooth Design Ratings and
  Engineering Layout Details
• Ajax Pin and Bush Couplings
• Cast Iron Couplings Forged Steel Couplings
• Service Parts for Ajax Pin and Bush Couplings
• Special Pin and Bush Couplings
• Download brochure in Adobe Acrobat® format (1.28MB)
Full-Flex O-Ring Seal Couplings
 
  • Forged medium carbon steel
  • Crowned and barreled teeth
  • Tight-fitting high strength bolts
  • Large lube reservoir
  • ± 1 1/2° misalignment per gear mesh
  • Half-coupling interchangeability with North American industry standards
  • Accepted worldwide

Specifications/Dimensions
Coupling Size 1 1 1/2 2 2 1/2 3 3 1/2 4 4 1/2 5 5 1/2 6 7
Catalog No. 6901 108-1 158-1 208-1 258-1 308-1 358-1 408-1 458-1 508-1 558-1 608-1 708-1
Maximum
Bore		 Square Keyway 1.63 2.13 2.75 3.25 4.00 4.50 5.38 6.0 6.63 7.50 8.13 9.63
3/8 x 3/16 1/2 x 1/4 5/8 x 5/16 3/4 x 3/8 1 x 1/2 1 x 1/2 1 1/4 x 5/8 1 1/2 x 3/4 1 3/4 x 7/8 1 3/4 x 7/8 2 x 1 2 x 1
Reduced
Keyway		 1.88 2.25 3.13 3.63 4.38 5.13 5.75 6.50 7.50 8.13 9.00 10.13
1/2 x 3/16 5/8 x 7/3 3/4 x 1/4 7/8 x 5/16 1 x 3/8 1 1/4 x 7/16 1 1/2 x 1/2 1 3/4 x 3/4 1 3/4 x 3/4 1 3/4 x 3/4 2 x 3/4 2 1/2 x 7/8
Offset Misalignment .049 .059 .079 .092 .118 .137 .157 .177 .209 .236 .255 .301
Design
Rating		 HP/100 RPM 20.0 37.8 64.4 104 172 263 419 578 776 1150 1470 2200
Lb.-In. x 103 12.7 23.8 40.6 65.7 108 166 264 365 489 725 925 1390
Max. RPM 3600 3600 3600 3600 3600 3600 3290 2920 2630 2320 2120 1830
Weight-Lbs. Solid Hubs 9.2 16.9 33 56 81 134 200 269 392 519 616 977
WR2-Lb.-In.2 18.9 67.7 151 359 643 1480 2800 4450 8700 12900 16600 35300
Dimensions
Inches		 A 4.56 6.00 7.00 8.38 9.44 11.00 12.50 13.63 15.31 16.75 18.00 20.75
B 3.50 4.00 5.00 6.25 7.38 8.63 9.75 10.94 12.38 14.13 15.13 17.75
C .125 .125 .125 .188 .188 .250 .250 .313 .313 .313 .313 .375
E 1.66 1.94 2.44 3.03 3.60 4.19 4.75 5.31 6.03 6.91 7.41 8.69
O 2.38 3.00 4.00 4.63 5.63 6.50 7.50 8.50 9.50 10.50 11.50 13.50
 
  1. Exposed bolt furnished as standard.
  2. Shrouded bolt flanges furnished when specified:
    Use -2 suffix; e.g.: 6901-208-2. Unavailable for sizes 6 & 7.
  3. Design rating based on ± 1 1/2° misalignment per gear mesh.
NOTE:   Consult Renold for
certified dimensions.
WARNING
Rotating equipment must be provided with a suitable guard
before operating or injury may result. Check applicable code.