TYPE OF MOUNTED BEARING. LER - Metal Labyrinth Ends Open. Pillow Block. (Inch Dimensions) 2 = 2 SS - Split P4B - 4 Bolt Base Pillow

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1 IMPERIAL - ISAF NOMENCLATURE Complete Pillow Block - Inch P2B USAF TT HOUSING STYLE BEARING SERIES AND HOUSING SIZE TYPE OF MOUNTED BEARING SIZE INCHES SEAL TYPE UNIFIED SAF Plummer Blocks Sleeve Bearing SLEEVOIL P2B - 2 Bolt Base Pillow 2XX - For Direct Mount USAF - UNIFIED SAF Inches TT - TRIPLE-TECT Block, Cast Iron, Both Series Bearing Pillow Block & 16ths LER - Metal Labyrinth Ends Open 3XX - For Direct Mount (Inch Dimensions) 2 = 2 SS - Split P4B - 4 Bolt Base Pillow Series Bearing USDAF - UNIFIED SDAF 07 = 7/16 Non-Metallic Block, Cast Iron, Both 5XX - For Adapter Mounted Pillow Block Labyrinth Ends Open 22200K Series Bearing SS - SPLIT-SPHER 107 = 1-7/16 TTDN - Drop-In CP2B - 2 Bolt Base Pillow 6XX - For Adapter Mounted Pillow Block 111 = 1-11/16 TRIPLE-TECT Block, Cast Iron, One 22300K Series Bearing 115 = 1-15/16 AUX - Auxiliary End Closed 0XX - For Adapter Mounted 203 = 2-3/16 (Taconite) CP4B - 4 Bolt Base Pillow 23000K Series Bearing 207 = 2-7/16 EC - End Closure Block, Cast Iron, One End Closed 208 = 2-1/2 211 = 2-11/ = 2-3/4 215 = 2-15/ = = 3-3/ = 3-7/ = 3-1/2 315 = 3-15/ = = 4-3/ = 4-7/ = 4-1/2 415 = 4-15/ = = 5-3/ = 5-7/ = 5-1/2 515 = 5-15/ = = 6-7/ = 6-1/2 615 = 6-15/ = = 7-3/ = 7-1/2 715 = 7-15/ = = 8-7/ = 8-1/2 815 = 8-15/ = = 9-7/ = 9-1/2 915 = 9-15/ = = 10-7/ = 10-1/2 For monitor equipped pillow blocks a C preceding the pillow block designation indicates closed ends /DIMENSIONS B11-10

2 NOMENCLATURE Housing Only (Housing and Stab Ring) Inch HOUSING STYLE H2S - 2 Bolt Base Pillow Block, Cast Iron, Both Ends Open H4S - 4 Bolt Base Pillow Block, Cast Iron, Both Ends Open CH2S - 2 Bolt Base Pillow Block, Cast Iron, One End Closed H4S USAF HOUSING TYPE AND SIZE 2XX - For Direct Mount Series Bearing 3XX - For Direct Mount Series Bearing 5XX - For Adapter Mounted 22200K Series Bearing 6XX - For Adapter Mounted 22300K Series Bearing 0XX - For Adapter Mounted 23000K Series Bearing 31XX - For Adapter Mounted 23100K Series Bearing 32XX - For Adapter Mounted 23200K Series Bearing TYPE OF MOUNTED BEARING HOUSING USAF - UNIFIED SAF Cast Iron Pillow Block Housing (Inch Dimensions) USDAF - UNIFIED SDAF Cast Iron Pillow Block Housing (Inch Dimensions) SLEEVOIL Sleeve Bearing Plummer Blocks UNIFIED SAF IMPERIAL - ISAF /DIMENSIONS B11-11

3 IMPERIAL - ISAF NOMENCLATURE Housing Assembly (Housing And Stab Ring And Seals) - Inch FSAF X 3-15/16 TTDN CLSD HOUSING STYLE HOUSING TYPE AND SIZE SHAFT SIZE INCHES SEAL TYPE OTHER UNIFIED SAF Plummer Blocks Sleeve Bearing SLEEVOIL SAF - 2 Bolt pillow block 2XX - For Direct Mount TT - TRIPLE-TECT Blank - Both Ends housing (4 bolt when no Series Bearing LER - Metal Labyrinth Open 2 bolt offered) 3XX - For Direct Mount TTDN - Drop-In CLSD - Cast Closed FSAF - 4 bolt pillow block Series Bearing TRIPLE-TECT One End housing when 2 bolt 5XX - For Adapter Mounted offered 2200K Series Bearing SDAF - 4 Bolt pillow block 6XX - For Adapter Mounted housing 22300K Series Bearing 0XX - For Adapter Mounted 23000K Series Bearing 31XX - For Adapter Mounted 23100K Series Bearing 32XX - For Adapter Mounted 23200K Series Bearing /DIMENSIONS B11-12

4 NOMENCLATURE Bearing BRG 22215K C3AH BEARING BEARING SERIES OTHER DATA BRG - Roller Bearing Spherical C3 = Bearing clearance Solid Ring Type AH = Air Handling 222 = Series reference 223 = Series 230 = Series 231 = Series 232 = Series SS Denotes Spherical Split Ring Type K - Tapered Adapter Sleeve Mounting. Otherwise Bearing Has Cylindrical Bore for Direct Mounting. SLEEVOIL Sleeve Bearing Plummer Blocks UNIFIED SAF IMPERIAL - ISAF /DIMENSIONS B11-13

5 IMPERIAL - ISAF NOMENCLATURE Seals - Inch 28 TT 207 SEAL GROUP TYPE OF SEAL BORE NUMBER SEAL SIZE UNIFIED SAF Plummer Blocks Sleeve Bearing SLEEVOIL Seals of the Same Group Number All Fit the Same Housings. TT - TRIPLE-TECT TTDN - TRIPLE-TECT with Drop-In Feature LER - Metallic Labyrinth Seal AUX - Auxiliary (Taconite) Seal SS - Split Seal (Non-Metallic LER) Inches and 16ths 2 = 2 and 07 =7/16 or 207 = 2-7/16 Seal Group Number &Shaft Size Fits Housing Sizes Seal Group Number &Shaft Size Fits Housing Sizes Seal Group Number &Shaft Size Fits Housing Sizes , 509 & & , 510 & & , 322, 524 & , 511 & & & , 320, 526 & & & & , 326, 528 & & & & & , 324, 228 & & & & & & L & & L & & , 3160, & , 3160, & & , 316, 517 & , 334 & L, 3164, & & L, 3164, , 168, & , 332, 538 & & L, & & L, & & , S , & & & 320 Note: For bore size interchange see chart on page B /DIMENSIONS B11-14

6 NOMENCLATURE Adapter Assemblies - Inch SNW ADAPTER ASSEMBLY BEARING ADAPTER BORE TYPE SIZE SIZE SNW = Sleeve, Nut and Washer Up to 8 shaft size last two digits Inches and 16ths Assembly thru 44 (8 inch) Size of bearing numerical description. 2 = 2 and 07 =7/16 or SNP = Sleeve, Nut and Lockplate For larger sizes last four digits. 207 = 2-7/16 Assembly 048 See size listing page (8-7/16 ) and Larger Sizes B11-10 H SNW ADAPTER ASSEMBLY BEARING SIZE SNW ADAPTER BORE TYPE SIZE H3 Adapter Series Last two digits of bearing SNW = Sleeve, Nut and Washer Inches and 16ths for 22200K Series numerical description. Assembly thru 544 (8 ) 2 = 2 and 07 =7/16 Bearings thru 4 Size or 207 = 2-7/16 Bore Size SNP = Sleeve Nut and Plate See size listing page H31 Adapter Series Assembly from B11-10 for 22200K & 23100K 048 thru 084, Series Bearings 3156 thru 3176, & Greater Than thru 3268 H23 Adapter Series for 22300K Series Bearings H32 Adapter Series for 23200K Series Bearings SLEEVOIL Sleeve Bearing Plummer Blocks UNIFIED SAF IMPERIAL - ISAF /DIMENSIONS B11-15