Description Product description Product overview Technical data Technical notes Fields of application End bearings for screw ends in Forms 831, 83, 83A, 841, 84, 84A Application Bearing assembly LAF Bearing assembly LAN Bearing assembly LAL Pillow Block Unit SEB-F assembly Shown with slotted nut NMA Shown with slotted nut NMZ Shown with slotted nut NMG Components End bearings for screw ends Form Version Size Pillow block unit assembly Bearing assembly SEB-F LAF LAL LAN d0 P Part number Part number Part number Part number 831 060 6 1/2 R159110620 - - - 061 - R159040600 062 8 1/2/2,5/5 065 - R159010600 120 12 2/5/10 R159111220 R159011200 121 - R159041200 - 122 16 5/10/16 170 R159111730 R159001730 - R159011730 83/83A 200 20 5/10/20 R159112030 R159002030 R159012030 250 25 5/10/25 - - - 300 32 5/10/20/32 R159113030 R159003030 R159013030 400 40 5/10/12/16/20 R159114030 R159004030 R159014030 500 50 10/12/20 R159115030 R159005030 R159015030 Legend Symbol Description d0 Nominal diameter P Lead Slotted nuts NMA for fixed bearings Slotted nuts NMA for fixed bearings For maximum vibratory loads For new designs Not product-specific documents Catalog Service CAD data Slotted nuts NMZ for fixed bearings Slotted nuts NMZ for fixed bearings For existing designs For timing belt side drive For driven nuts Not product-specific documents Catalog Service CAD data Slotted nuts NMG for fixed bearings Slotted nuts NMG for fixed bearings For inexpensive designs Not product-specific documents Catalog Service CAD data Dimensions 1) Undercut form E DIN 509 2) Thread undercut 76 short Dimensions and technical data Form Version Rexroth Ball Screw Assembly size Dimensions Centering hole Hex socket Thread Wrench size d0 P Ljf D1 L1 D2 L2 G1 LG1 DR LR DF LF Z tz S ts G tG SW bsw lsw h11 h7 mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm 831 060 6 1/2 40 6 14 5 16 M6x0,5 10 12 15 5 1 - - - - - - - - - 061 41 10 15 062 8 1/2/2,5/5 6 065 40 14 10 120 12 2/5/10 60 12 23 10 25 M12x1 12 16 8 M3 9 4 4 M4 6 121 17 18 15 122 16 5/10/16 18 17 12 170 75 17 23 15 30 M17x1 22 23 M5 12.5 M6 9 83/83A 200 20 5/10/20 88 20 26 18 40 M20x1 25 15 16.5 8 M6 16 5 5 15 10 8.5 250 25 5/10/25 102 25 22 50 M25x1,5 26 32 21 M8 19 6 6 M8 12 19 10.5 300 32 5/10/20/32 101 30 25 25 M30x1,5 40 20 28 M10 22 8 8 M10 15 24 15 400 40 5/10/12/16/20 132 40 44 36 60 M40x1,5 28 50 33.5 M12 28 12 12 M12 18 30 12.5 500 50 10/12/20 154 50 52 40 70 M50x1,5 32 60 43.5 M16 36 M16 24 41 22 15.5 Legend Symbol Description d0 Nominal diameter P Lead Project planning information Separate technical size selection of the permissible drive torque is essential in all cases. Calculation Mounting Design notes, installation Accessories Pillow Block Unit SEB-F assembly Pillow Block Unit SEB-F assembly The pillow block unit consists of: Precision pillow block housing made of steel with reference edges on both sides Angular-contact thrust ball bearing LGN Slotted nut NMA or NMZ Threaded Rings GWR Not product-specific documents Catalog S
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