• NMB DDRIF/DDRF Inch Series Flanged Miniature Bearings (Open, Z, ZZ)
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NMB DDRIF/DDRF Inch Series Flanged Miniature Bearings (Open, Z, ZZ)

NMB DDRIF/DDRF Inch Series Flanged Miniature Bearings (Open, Z, ZZ)

NMB DDRIF and DDRF inch series flanged radial ball bearings in 400 series martensitic stainless steel, open or shielded.

Key features

  • Integral outer ring flange for axial location in through-bored housings
  • Open, single-shield (Z) and double-shield (ZZ) versions
  • 400 series martensitic stainless steel
  • ABEC 1, 3, 5 and 7 tolerances apply
  • Bore range .0400 to .3750 in

Specifications

Brand NMB
Ring material 400 series martensitic stainless steel (DD prefix)
Tolerance classes ABEC 1, 3, 5, 7
Series Inch flanged (DDRIF, DDRF)
Units d, D, B in inches; Cr, Cor in N
Source NMB Miniature & Small Precision Ball Bearings catalog, p. 2.4-2.5
DDRIF-2 d: .0400 in | D: .1250 in | B: .0469 in | Cr: 106 N | Cor: 28 N
DDRIF-2 1/2 d: .0469 in | D: .1562 in | B: .0625 in | Cr: 158 N | Cor: 44 N
DDRIF-3 d: .0550 in | D: .1875 in | B: .0781 in | Cr: 264 N | Cor: 71 N
DDRIF-4 d: .0781 in | D: .2500 in | B: .0937 in | Cr: 330 N | Cor: 99 N
DDRIF-3332 d: .0937 in | D: .1875 in | B: .0625 in | Cr: 187 N | Cor: 59 N
DDRIF-5 d: .0937 in | D: .3125 in | B: .1094 in | Cr: 563 N | Cor: 183 N
DDRIF-418 d: .1250 in | D: .2500 in | B: .0937 in | Cr: 285 N | Cor: 97 N
DDRIF-518 d: .1250 in | D: .3125 in | B: .1094 in | Cr: 563 N | Cor: 183 N
DDRIF-618 d: .1250 in | D: .3750 in | B: .1094 in | Cr: 563 N | Cor: 183 N
DDRF-2 d: .1250 in | D: .3750 in | B: .1562 in | Cr: 641 N | Cor: 226 N
DDRIF-5532 d: .1562 in | D: .3125 in | B: .1094 in | Cr: 391 N | Cor: 142 N
DDRIF-5632 d: .1875 in | D: .3125 in | B: .1094 in | Cr: 391 N | Cor: 142 N
DDRIF-6632 d: .1875 in | D: .3750 in | B: .1250 in | Cr: 712 N | Cor: 271 N
DDRF-3 d: .1875 in | D: .5000 in | B: .1562 in | Cr: 1306 N | Cor: 487 N
DDRIF-614 d: .2500 in | D: .3750 in | B: .1250 in | Cr: 417 N | Cor: 205 N
DDRIF-814 d: .2500 in | D: .5000 in | B: .1250 in | Cr: 828 N | Cor: 374 N
DDRF-4 d: .2500 in | D: .6250 in | B: .1960 in | Cr: 1470 N | Cor: 599 N
DDRIF-8516 d: .3125 in | D: .5000 in | B: .1562 in | Cr: 878 N | Cor: 419 N
DDRIF-1438 d: .3750 in | D: .8750 in | B: .2812 in | Cr: 3297 N | Cor: 1368 N
DDRIF-2 1/2Z d: .0469 in | D: .1562 in | B: .0937 in | Cr: 158 N | Cor: 44 N
DDRIF-2 1/2ZZ d: .0469 in | D: .1562 in | B: .0937 in | Cr: 158 N | Cor: 44 N
DDRIF-3Z d: .0550 in | D: .1875 in | B: .1094 in | Cr: 264 N | Cor: 71 N
DDRIF-3ZZ d: .0550 in | D: .1875 in | B: .1094 in | Cr: 264 N | Cor: 71 N
DDRIF-4Z d: .0781 in | D: .2500 in | B: .1406 in | Cr: 330 N | Cor: 99 N
DDRIF-4ZZ d: .0781 in | D: .2500 in | B: .1406 in | Cr: 330 N | Cor: 99 N
DDRIF-3332Z d: .0937 in | D: .1875 in | B: .0937 in | Cr: 187 N | Cor: 59 N
DDRIF-3332ZZ d: .0937 in | D: .1875 in | B: .0937 in | Cr: 187 N | Cor: 59 N
DDRIF-5Z d: .0937 in | D: .3125 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-5ZZ d: .0937 in | D: .3125 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-418Z d: .1250 in | D: .2500 in | B: .1094 in | Cr: 285 N | Cor: 97 N
DDRIF-418ZZ d: .1250 in | D: .2500 in | B: .1094 in | Cr: 285 N | Cor: 97 N
DDRIF-518Z d: .1250 in | D: .3125 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-518ZZ d: .1250 in | D: .3125 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-618Z d: .1250 in | D: .3750 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-618ZZ d: .1250 in | D: .3750 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRF-2Z d: .1250 in | D: .3750 in | B: .1562 in | Cr: 641 N | Cor: 226 N
DDRF-2ZZ d: .1250 in | D: .3750 in | B: .1562 in | Cr: 641 N | Cor: 226 N
DDRIF-5532Z d: .1562 in | D: .3125 in | B: .1250 in | Cr: 391 N | Cor: 142 N
DDRIF-5532ZZ d: .1562 in | D: .3125 in | B: .1250 in | Cr: 391 N | Cor: 142 N
DDRIF-5632Z d: .1875 in | D: .3125 in | B: .1250 in | Cr: 391 N | Cor: 142 N
DDRIF-5632ZZ d: .1875 in | D: .3125 in | B: .1250 in | Cr: 391 N | Cor: 142 N
DDRIF-6632Z d: .1875 in | D: .3750 in | B: .1250 in | Cr: 712 N | Cor: 271 N
DDRIF-6632ZZ d: .1875 in | D: .3750 in | B: .1250 in | Cr: 712 N | Cor: 271 N
DDRF-3Z d: .1875 in | D: .5000 in | B: .1960 in | Cr: 1306 N | Cor: 487 N
DDRF-3ZZ d: .1875 in | D: .5000 in | B: .1960 in | Cr: 1306 N | Cor: 487 N
DDRIF-614Z d: .2500 in | D: .3750 in | B: .1250 in | Cr: 417 N | Cor: 205 N
DDRIF-614ZZ d: .2500 in | D: .3750 in | B: .1250 in | Cr: 417 N | Cor: 205 N
DDRIF-814Z d: .2500 in | D: .5000 in | B: .1875 in | Cr: 828 N | Cor: 374 N
DDRIF-814ZZ d: .2500 in | D: .5000 in | B: .1875 in | Cr: 828 N | Cor: 374 N
DDRF-4Z d: .2500 in | D: .6250 in | B: .1960 in | Cr: 1470 N | Cor: 599 N
DDRF-4ZZ d: .2500 in | D: .6250 in | B: .1960 in | Cr: 1470 N | Cor: 599 N
DDRIF-8516Z d: .3125 in | D: .5000 in | B: .1562 in | Cr: 878 N | Cor: 417 N
DDRIF-8516ZZ d: .3125 in | D: .5000 in | B: .1562 in | Cr: 878 N | Cor: 417 N
DDRIF-1438Z d: .3750 in | D: .8750 in | B: .2812 in | Cr: 3297 N | Cor: 1368 N
DDRIF-1438ZZ d: .3750 in | D: .8750 in | B: .2812 in | Cr: 3297 N | Cor: 1368 N
Miniature BearingsNMB
55 product codes available in this family
Sourced direct from KoreaExport-ready supplyCompetitive pricing
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NMB DDRIF/DDRF Inch Series Flanged Miniature Bearings (Open, Z, ZZ)

Brand NMB·Miniature Bearings

Available part numbers (55)

DDRIF-2, DDRIF-2 1/2, DDRIF-3, DDRIF-4, DDRIF-3332, DDRIF-5, DDRIF-418, DDRIF-518, DDRIF-618, DDRF-2 + 45 more — see full table ↓

How to order

Send the NMB 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
DDRIF-2d: .0400 in | D: .1250 in | B: .0469 in | Cr: 106 N | Cor: 28 N
DDRIF-2 1/2d: .0469 in | D: .1562 in | B: .0625 in | Cr: 158 N | Cor: 44 N
DDRIF-3d: .0550 in | D: .1875 in | B: .0781 in | Cr: 264 N | Cor: 71 N
DDRIF-4d: .0781 in | D: .2500 in | B: .0937 in | Cr: 330 N | Cor: 99 N
DDRIF-3332d: .0937 in | D: .1875 in | B: .0625 in | Cr: 187 N | Cor: 59 N
DDRIF-5d: .0937 in | D: .3125 in | B: .1094 in | Cr: 563 N | Cor: 183 N
DDRIF-418d: .1250 in | D: .2500 in | B: .0937 in | Cr: 285 N | Cor: 97 N
DDRIF-518d: .1250 in | D: .3125 in | B: .1094 in | Cr: 563 N | Cor: 183 N
DDRIF-618d: .1250 in | D: .3750 in | B: .1094 in | Cr: 563 N | Cor: 183 N
DDRF-2d: .1250 in | D: .3750 in | B: .1562 in | Cr: 641 N | Cor: 226 N
DDRIF-5532d: .1562 in | D: .3125 in | B: .1094 in | Cr: 391 N | Cor: 142 N
DDRIF-5632d: .1875 in | D: .3125 in | B: .1094 in | Cr: 391 N | Cor: 142 N
DDRIF-6632d: .1875 in | D: .3750 in | B: .1250 in | Cr: 712 N | Cor: 271 N
DDRF-3d: .1875 in | D: .5000 in | B: .1562 in | Cr: 1306 N | Cor: 487 N
DDRIF-614d: .2500 in | D: .3750 in | B: .1250 in | Cr: 417 N | Cor: 205 N
DDRIF-814d: .2500 in | D: .5000 in | B: .1250 in | Cr: 828 N | Cor: 374 N
DDRF-4d: .2500 in | D: .6250 in | B: .1960 in | Cr: 1470 N | Cor: 599 N
DDRIF-8516d: .3125 in | D: .5000 in | B: .1562 in | Cr: 878 N | Cor: 419 N
DDRIF-1438d: .3750 in | D: .8750 in | B: .2812 in | Cr: 3297 N | Cor: 1368 N
DDRIF-2 1/2Zd: .0469 in | D: .1562 in | B: .0937 in | Cr: 158 N | Cor: 44 N
DDRIF-2 1/2ZZd: .0469 in | D: .1562 in | B: .0937 in | Cr: 158 N | Cor: 44 N
DDRIF-3Zd: .0550 in | D: .1875 in | B: .1094 in | Cr: 264 N | Cor: 71 N
DDRIF-3ZZd: .0550 in | D: .1875 in | B: .1094 in | Cr: 264 N | Cor: 71 N
DDRIF-4Zd: .0781 in | D: .2500 in | B: .1406 in | Cr: 330 N | Cor: 99 N
DDRIF-4ZZd: .0781 in | D: .2500 in | B: .1406 in | Cr: 330 N | Cor: 99 N
DDRIF-3332Zd: .0937 in | D: .1875 in | B: .0937 in | Cr: 187 N | Cor: 59 N
DDRIF-3332ZZd: .0937 in | D: .1875 in | B: .0937 in | Cr: 187 N | Cor: 59 N
DDRIF-5Zd: .0937 in | D: .3125 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-5ZZd: .0937 in | D: .3125 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-418Zd: .1250 in | D: .2500 in | B: .1094 in | Cr: 285 N | Cor: 97 N
DDRIF-418ZZd: .1250 in | D: .2500 in | B: .1094 in | Cr: 285 N | Cor: 97 N
DDRIF-518Zd: .1250 in | D: .3125 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-518ZZd: .1250 in | D: .3125 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-618Zd: .1250 in | D: .3750 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRIF-618ZZd: .1250 in | D: .3750 in | B: .1406 in | Cr: 563 N | Cor: 183 N
DDRF-2Zd: .1250 in | D: .3750 in | B: .1562 in | Cr: 641 N | Cor: 226 N
DDRF-2ZZd: .1250 in | D: .3750 in | B: .1562 in | Cr: 641 N | Cor: 226 N
DDRIF-5532Zd: .1562 in | D: .3125 in | B: .1250 in | Cr: 391 N | Cor: 142 N
DDRIF-5532ZZd: .1562 in | D: .3125 in | B: .1250 in | Cr: 391 N | Cor: 142 N
DDRIF-5632Zd: .1875 in | D: .3125 in | B: .1250 in | Cr: 391 N | Cor: 142 N
DDRIF-5632ZZd: .1875 in | D: .3125 in | B: .1250 in | Cr: 391 N | Cor: 142 N
DDRIF-6632Zd: .1875 in | D: .3750 in | B: .1250 in | Cr: 712 N | Cor: 271 N
DDRIF-6632ZZd: .1875 in | D: .3750 in | B: .1250 in | Cr: 712 N | Cor: 271 N
DDRF-3Zd: .1875 in | D: .5000 in | B: .1960 in | Cr: 1306 N | Cor: 487 N
DDRF-3ZZd: .1875 in | D: .5000 in | B: .1960 in | Cr: 1306 N | Cor: 487 N
DDRIF-614Zd: .2500 in | D: .3750 in | B: .1250 in | Cr: 417 N | Cor: 205 N
DDRIF-614ZZd: .2500 in | D: .3750 in | B: .1250 in | Cr: 417 N | Cor: 205 N
DDRIF-814Zd: .2500 in | D: .5000 in | B: .1875 in | Cr: 828 N | Cor: 374 N
DDRIF-814ZZd: .2500 in | D: .5000 in | B: .1875 in | Cr: 828 N | Cor: 374 N
DDRF-4Zd: .2500 in | D: .6250 in | B: .1960 in | Cr: 1470 N | Cor: 599 N
DDRF-4ZZd: .2500 in | D: .6250 in | B: .1960 in | Cr: 1470 N | Cor: 599 N
DDRIF-8516Zd: .3125 in | D: .5000 in | B: .1562 in | Cr: 878 N | Cor: 417 N
DDRIF-8516ZZd: .3125 in | D: .5000 in | B: .1562 in | Cr: 878 N | Cor: 417 N
DDRIF-1438Zd: .3750 in | D: .8750 in | B: .2812 in | Cr: 3297 N | Cor: 1368 N
DDRIF-1438ZZd: .3750 in | D: .8750 in | B: .2812 in | Cr: 3297 N | Cor: 1368 N

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