• NSK SN 5 / SN 6 / SN 30 / SN 31 Plummer Block Housings (20-140)
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NSK SN 5 / SN 6 / SN 30 / SN 31 Plummer Block Housings (20-140)

NSK SN 5 / SN 6 / SN 30 / SN 31 Plummer Block Housings (20-140)

NSK standard two-bolt split plummer block housings SN 5, SN 6, SN 30 and SN 31 for self-aligning ball and spherical roller bearings on adapter sleeves, shaft diameters 20 to 140 mm.

Key features

  • Split cast iron housing for easy mounting and inspection
  • For bearings on adapter sleeves (K tapered bore)
  • Oil seals and locating rings available
  • Order as housing + bearing + adapter + locating ring for a complete unit
  • Grease relubrication via PT 1/8 plug

Specifications

Product Plummer block housing
Material Cast iron
Bearing Self-aligning ball or spherical roller bearing
Mounting 2 bolt
Shaft d1 20-140 mm
Seals GS oil seals (included with housing)
Source NSK Rolling Bearings Catalogue (Part 3), p. 302-307
SN 505 Shaft d1: 20 mm | Housing bore D: 52 mm | Centre height H: 40 mm | Length L: 165 mm
SN 605 Shaft d1: 20 mm | Housing bore D: 62 mm | Centre height H: 50 mm | Length L: 185 mm
SN 506 Shaft d1: 25 mm | Housing bore D: 62 mm | Centre height H: 50 mm | Length L: 185 mm
SN 606 Shaft d1: 25 mm | Housing bore D: 72 mm | Centre height H: 50 mm | Length L: 185 mm
SN 507 Shaft d1: 30 mm | Housing bore D: 72 mm | Centre height H: 50 mm | Length L: 185 mm
SN 607 Shaft d1: 30 mm | Housing bore D: 80 mm | Centre height H: 60 mm | Length L: 205 mm
SN 508 Shaft d1: 35 mm | Housing bore D: 80 mm | Centre height H: 60 mm | Length L: 205 mm
SN 608 Shaft d1: 35 mm | Housing bore D: 90 mm | Centre height H: 60 mm | Length L: 205 mm
SN 509 Shaft d1: 40 mm | Housing bore D: 85 mm | Centre height H: 60 mm | Length L: 205 mm
SN 609 Shaft d1: 40 mm | Housing bore D: 100 mm | Centre height H: 70 mm | Length L: 255 mm
SN 510 Shaft d1: 45 mm | Housing bore D: 90 mm | Centre height H: 60 mm | Length L: 205 mm
SN 610 Shaft d1: 45 mm | Housing bore D: 110 mm | Centre height H: 70 mm | Length L: 255 mm
SN 511 Shaft d1: 50 mm | Housing bore D: 100 mm | Centre height H: 70 mm | Length L: 255 mm
SN 611 Shaft d1: 50 mm | Housing bore D: 120 mm | Centre height H: 80 mm | Length L: 275 mm
SN 512 Shaft d1: 55 mm | Housing bore D: 110 mm | Centre height H: 70 mm | Length L: 255 mm
SN 612 Shaft d1: 55 mm | Housing bore D: 130 mm | Centre height H: 80 mm | Length L: 280 mm
SN 513 Shaft d1: 60 mm | Housing bore D: 120 mm | Centre height H: 80 mm | Length L: 275 mm
SN 613 Shaft d1: 60 mm | Housing bore D: 140 mm | Centre height H: 95 mm | Length L: 315 mm
SN 515 Shaft d1: 65 mm | Housing bore D: 130 mm | Centre height H: 80 mm | Length L: 280 mm
SN 615 Shaft d1: 65 mm | Housing bore D: 160 mm | Centre height H: 100 mm | Length L: 345 mm
SN 516 Shaft d1: 70 mm | Housing bore D: 140 mm | Centre height H: 95 mm | Length L: 315 mm
SN 616 Shaft d1: 70 mm | Housing bore D: 170 mm | Centre height H: 112 mm | Length L: 345 mm
SN 517 Shaft d1: 75 mm | Housing bore D: 150 mm | Centre height H: 95 mm | Length L: 320 mm
SN 617 Shaft d1: 75 mm | Housing bore D: 180 mm | Centre height H: 112 mm | Length L: 380 mm
SN 518 Shaft d1: 80 mm | Housing bore D: 160 mm | Centre height H: 100 mm | Length L: 345 mm
SN 618 Shaft d1: 80 mm | Housing bore D: 190 mm | Centre height H: 112 mm | Length L: 380 mm
SN 519 Shaft d1: 85 mm | Housing bore D: 170 mm | Centre height H: 112 mm | Length L: 345 mm
SN 619 Shaft d1: 85 mm | Housing bore D: 200 mm | Centre height H: 125 mm | Length L: 410 mm
SN 520 Shaft d1: 90 mm | Housing bore D: 180 mm | Centre height H: 112 mm | Length L: 380 mm
SN 620 Shaft d1: 90 mm | Housing bore D: 215 mm | Centre height H: 140 mm | Length L: 410 mm
SN 3122 Shaft d1: 100 mm | Housing bore D: 180 mm | Centre height H: 112 mm | Length L: 380 mm
SN 522 Shaft d1: 100 mm | Housing bore D: 200 mm | Centre height H: 125 mm | Length L: 410 mm
SN 622 Shaft d1: 100 mm | Housing bore D: 240 mm | Centre height H: 150 mm | Length L: 450 mm
SN 3024 Shaft d1: 110 mm | Housing bore D: 180 mm | Centre height H: 112 mm | Length L: 380 mm
SN 3124 Shaft d1: 110 mm | Housing bore D: 200 mm | Centre height H: 125 mm | Length L: 410 mm
SN 524 Shaft d1: 110 mm | Housing bore D: 215 mm | Centre height H: 140 mm | Length L: 410 mm
SN 624 Shaft d1: 110 mm | Housing bore D: 260 mm | Centre height H: 160 mm | Length L: 530 mm
SN 3026 Shaft d1: 115 mm | Housing bore D: 200 mm | Centre height H: 125 mm | Length L: 410 mm
SN 3126 Shaft d1: 115 mm | Housing bore D: 210 mm | Centre height H: 140 mm | Length L: 410 mm
SN 526 Shaft d1: 115 mm | Housing bore D: 230 mm | Centre height H: 150 mm | Length L: 445 mm
SN 626 Shaft d1: 115 mm | Housing bore D: 280 mm | Centre height H: 170 mm | Length L: 550 mm
SN 3028 Shaft d1: 125 mm | Housing bore D: 210 mm | Centre height H: 140 mm | Length L: 410 mm
SN 3128 Shaft d1: 125 mm | Housing bore D: 225 mm | Centre height H: 150 mm | Length L: 445 mm
SN 528 Shaft d1: 125 mm | Housing bore D: 250 mm | Centre height H: 150 mm | Length L: 500 mm
SN 628 Shaft d1: 125 mm | Housing bore D: 300 mm | Centre height H: 180 mm | Length L: 610 mm
SN 3030 Shaft d1: 135 mm | Housing bore D: 225 mm | Centre height H: 150 mm | Length L: 445 mm
SN 3130 Shaft d1: 135 mm | Housing bore D: 250 mm | Centre height H: 150 mm | Length L: 500 mm
SN 530 Shaft d1: 135 mm | Housing bore D: 270 mm | Centre height H: 160 mm | Length L: 530 mm
SN 630 Shaft d1: 135 mm | Housing bore D: 320 mm | Centre height H: 190 mm | Length L: 650 mm
SN 3032 Shaft d1: 140 mm | Housing bore D: 240 mm | Centre height H: 150 mm | Length L: 450 mm
SN 3132 Shaft d1: 140 mm | Housing bore D: 270 mm | Centre height H: 160 mm | Length L: 530 mm
SN 532 Shaft d1: 140 mm | Housing bore D: 290 mm | Centre height H: 170 mm | Length L: 550 mm
SN 632 Shaft d1: 140 mm | Housing bore D: 340 mm | Centre height H: 200 mm | Length L: 680 mm
Bearing HousingsNSK
53 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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NSK SN 5 / SN 6 / SN 30 / SN 31 Plummer Block Housings (20-140)

Brand NSK·Bearing Housings

Available part numbers (53)

SN 505, SN 605, SN 506, SN 606, SN 507, SN 607, SN 508, SN 608, SN 509, SN 609 + 43 more — see full table ↓

How to order

Send the NSK part numbers and quantities through our RFQ form or to info@prosourcemro.com. We confirm price, availability and lead time within 1 business day — no account needed.

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Product codes & specifications
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Product codeSpec
SN 505Shaft d1: 20 mm | Housing bore D: 52 mm | Centre height H: 40 mm | Length L: 165 mm
SN 605Shaft d1: 20 mm | Housing bore D: 62 mm | Centre height H: 50 mm | Length L: 185 mm
SN 506Shaft d1: 25 mm | Housing bore D: 62 mm | Centre height H: 50 mm | Length L: 185 mm
SN 606Shaft d1: 25 mm | Housing bore D: 72 mm | Centre height H: 50 mm | Length L: 185 mm
SN 507Shaft d1: 30 mm | Housing bore D: 72 mm | Centre height H: 50 mm | Length L: 185 mm
SN 607Shaft d1: 30 mm | Housing bore D: 80 mm | Centre height H: 60 mm | Length L: 205 mm
SN 508Shaft d1: 35 mm | Housing bore D: 80 mm | Centre height H: 60 mm | Length L: 205 mm
SN 608Shaft d1: 35 mm | Housing bore D: 90 mm | Centre height H: 60 mm | Length L: 205 mm
SN 509Shaft d1: 40 mm | Housing bore D: 85 mm | Centre height H: 60 mm | Length L: 205 mm
SN 609Shaft d1: 40 mm | Housing bore D: 100 mm | Centre height H: 70 mm | Length L: 255 mm
SN 510Shaft d1: 45 mm | Housing bore D: 90 mm | Centre height H: 60 mm | Length L: 205 mm
SN 610Shaft d1: 45 mm | Housing bore D: 110 mm | Centre height H: 70 mm | Length L: 255 mm
SN 511Shaft d1: 50 mm | Housing bore D: 100 mm | Centre height H: 70 mm | Length L: 255 mm
SN 611Shaft d1: 50 mm | Housing bore D: 120 mm | Centre height H: 80 mm | Length L: 275 mm
SN 512Shaft d1: 55 mm | Housing bore D: 110 mm | Centre height H: 70 mm | Length L: 255 mm
SN 612Shaft d1: 55 mm | Housing bore D: 130 mm | Centre height H: 80 mm | Length L: 280 mm
SN 513Shaft d1: 60 mm | Housing bore D: 120 mm | Centre height H: 80 mm | Length L: 275 mm
SN 613Shaft d1: 60 mm | Housing bore D: 140 mm | Centre height H: 95 mm | Length L: 315 mm
SN 515Shaft d1: 65 mm | Housing bore D: 130 mm | Centre height H: 80 mm | Length L: 280 mm
SN 615Shaft d1: 65 mm | Housing bore D: 160 mm | Centre height H: 100 mm | Length L: 345 mm
SN 516Shaft d1: 70 mm | Housing bore D: 140 mm | Centre height H: 95 mm | Length L: 315 mm
SN 616Shaft d1: 70 mm | Housing bore D: 170 mm | Centre height H: 112 mm | Length L: 345 mm
SN 517Shaft d1: 75 mm | Housing bore D: 150 mm | Centre height H: 95 mm | Length L: 320 mm
SN 617Shaft d1: 75 mm | Housing bore D: 180 mm | Centre height H: 112 mm | Length L: 380 mm
SN 518Shaft d1: 80 mm | Housing bore D: 160 mm | Centre height H: 100 mm | Length L: 345 mm
SN 618Shaft d1: 80 mm | Housing bore D: 190 mm | Centre height H: 112 mm | Length L: 380 mm
SN 519Shaft d1: 85 mm | Housing bore D: 170 mm | Centre height H: 112 mm | Length L: 345 mm
SN 619Shaft d1: 85 mm | Housing bore D: 200 mm | Centre height H: 125 mm | Length L: 410 mm
SN 520Shaft d1: 90 mm | Housing bore D: 180 mm | Centre height H: 112 mm | Length L: 380 mm
SN 620Shaft d1: 90 mm | Housing bore D: 215 mm | Centre height H: 140 mm | Length L: 410 mm
SN 3122Shaft d1: 100 mm | Housing bore D: 180 mm | Centre height H: 112 mm | Length L: 380 mm
SN 522Shaft d1: 100 mm | Housing bore D: 200 mm | Centre height H: 125 mm | Length L: 410 mm
SN 622Shaft d1: 100 mm | Housing bore D: 240 mm | Centre height H: 150 mm | Length L: 450 mm
SN 3024Shaft d1: 110 mm | Housing bore D: 180 mm | Centre height H: 112 mm | Length L: 380 mm
SN 3124Shaft d1: 110 mm | Housing bore D: 200 mm | Centre height H: 125 mm | Length L: 410 mm
SN 524Shaft d1: 110 mm | Housing bore D: 215 mm | Centre height H: 140 mm | Length L: 410 mm
SN 624Shaft d1: 110 mm | Housing bore D: 260 mm | Centre height H: 160 mm | Length L: 530 mm
SN 3026Shaft d1: 115 mm | Housing bore D: 200 mm | Centre height H: 125 mm | Length L: 410 mm
SN 3126Shaft d1: 115 mm | Housing bore D: 210 mm | Centre height H: 140 mm | Length L: 410 mm
SN 526Shaft d1: 115 mm | Housing bore D: 230 mm | Centre height H: 150 mm | Length L: 445 mm
SN 626Shaft d1: 115 mm | Housing bore D: 280 mm | Centre height H: 170 mm | Length L: 550 mm
SN 3028Shaft d1: 125 mm | Housing bore D: 210 mm | Centre height H: 140 mm | Length L: 410 mm
SN 3128Shaft d1: 125 mm | Housing bore D: 225 mm | Centre height H: 150 mm | Length L: 445 mm
SN 528Shaft d1: 125 mm | Housing bore D: 250 mm | Centre height H: 150 mm | Length L: 500 mm
SN 628Shaft d1: 125 mm | Housing bore D: 300 mm | Centre height H: 180 mm | Length L: 610 mm
SN 3030Shaft d1: 135 mm | Housing bore D: 225 mm | Centre height H: 150 mm | Length L: 445 mm
SN 3130Shaft d1: 135 mm | Housing bore D: 250 mm | Centre height H: 150 mm | Length L: 500 mm
SN 530Shaft d1: 135 mm | Housing bore D: 270 mm | Centre height H: 160 mm | Length L: 530 mm
SN 630Shaft d1: 135 mm | Housing bore D: 320 mm | Centre height H: 190 mm | Length L: 650 mm
SN 3032Shaft d1: 140 mm | Housing bore D: 240 mm | Centre height H: 150 mm | Length L: 450 mm
SN 3132Shaft d1: 140 mm | Housing bore D: 270 mm | Centre height H: 160 mm | Length L: 530 mm
SN 532Shaft d1: 140 mm | Housing bore D: 290 mm | Centre height H: 170 mm | Length L: 550 mm
SN 632Shaft d1: 140 mm | Housing bore D: 340 mm | Centre height H: 200 mm | Length L: 680 mm

Need a different model, or a part not listed here? Send us your parts list →

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